Home / 82,762.04-124,045.80-38,294.88

Finding the Fourth Proportional to 82,762.04, 124,045.80 and 38,294.88

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Solution

The fourth proportional to 82,762.04, 124,045.80 and 38,294.88 is: 57,397.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,762.04 : 124,045.80 = 38,294.88 : x
  2. Step 2: Convert to fraction form
    82,762.04/124,045.80 = 38,294.88/x
  3. Step 3: Cross multiply
    82,762.04x = 124,045.80 × 38,294.88
  4. Step 4: Simplify right side
    82,762.04x = 4,750,319,025.50
  5. Step 5: Solve for x
    x = 4,750,319,025.50/82,762.04
  6. Step 6: Final answer
    x = 57,397.32

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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.