Home / 62,530.56-86,319.36-38,657.28

Finding the Fourth Proportional to 62,530.56, 86,319.36 and 38,657.28

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Solution

The fourth proportional to 62,530.56, 86,319.36 and 38,657.28 is: 53,363.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,530.56 : 86,319.36 = 38,657.28 : x
  2. Step 2: Convert to fraction form
    62,530.56/86,319.36 = 38,657.28/x
  3. Step 3: Cross multiply
    62,530.56x = 86,319.36 × 38,657.28
  4. Step 4: Simplify right side
    62,530.56x = 3,336,871,668.94
  5. Step 5: Solve for x
    x = 3,336,871,668.94/62,530.56
  6. Step 6: Final answer
    x = 53,363.85

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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.