Home / 86,772.24-130,158.36-45,300.24

Finding the Fourth Proportional to 86,772.24, 130,158.36 and 45,300.24

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Solution

The fourth proportional to 86,772.24, 130,158.36 and 45,300.24 is: 67,950.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,772.24 : 130,158.36 = 45,300.24 : x
  2. Step 2: Convert to fraction form
    86,772.24/130,158.36 = 45,300.24/x
  3. Step 3: Cross multiply
    86,772.24x = 130,158.36 × 45,300.24
  4. Step 4: Simplify right side
    86,772.24x = 5,896,204,946.01
  5. Step 5: Solve for x
    x = 5,896,204,946.01/86,772.24
  6. Step 6: Final answer
    x = 67,950.36

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.