Home / 62,882.98-86,740.57-38,688.08

Finding the Fourth Proportional to 62,882.98, 86,740.57 and 38,688.08

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Solution

The fourth proportional to 62,882.98, 86,740.57 and 38,688.08 is: 53,366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,882.98 : 86,740.57 = 38,688.08 : x
  2. Step 2: Convert to fraction form
    62,882.98/86,740.57 = 38,688.08/x
  3. Step 3: Cross multiply
    62,882.98x = 86,740.57 × 38,688.08
  4. Step 4: Simplify right side
    62,882.98x = 3,355,826,111.41
  5. Step 5: Solve for x
    x = 3,355,826,111.41/62,882.98
  6. Step 6: Final answer
    x = 53,366.21

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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.