Home / 92,889.06-128,187.27-50,448.30

Finding the Fourth Proportional to 92,889.06, 128,187.27 and 50,448.30

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Solution

The fourth proportional to 92,889.06, 128,187.27 and 50,448.30 is: 69,618.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,889.06 : 128,187.27 = 50,448.30 : x
  2. Step 2: Convert to fraction form
    92,889.06/128,187.27 = 50,448.30/x
  3. Step 3: Cross multiply
    92,889.06x = 128,187.27 × 50,448.30
  4. Step 4: Simplify right side
    92,889.06x = 6,466,829,853.14
  5. Step 5: Solve for x
    x = 6,466,829,853.14/92,889.06
  6. Step 6: Final answer
    x = 69,618.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.