Home / 69,747.20-96,240-45,883.52

Finding the Fourth Proportional to 69,747.20, 96,240 and 45,883.52

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Solution

The fourth proportional to 69,747.20, 96,240 and 45,883.52 is: 63,311.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,747.20 : 96,240 = 45,883.52 : x
  2. Step 2: Convert to fraction form
    69,747.20/96,240 = 45,883.52/x
  3. Step 3: Cross multiply
    69,747.20x = 96,240 × 45,883.52
  4. Step 4: Simplify right side
    69,747.20x = 4,415,829,964.80
  5. Step 5: Solve for x
    x = 4,415,829,964.80/69,747.20
  6. Step 6: Final answer
    x = 63,311.93

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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.