Home / 78,442.04-108,250.02-42,632.14

Finding the Fourth Proportional to 78,442.04, 108,250.02 and 42,632.14

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Solution

The fourth proportional to 78,442.04, 108,250.02 and 42,632.14 is: 58,832.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,442.04 : 108,250.02 = 42,632.14 : x
  2. Step 2: Convert to fraction form
    78,442.04/108,250.02 = 42,632.14/x
  3. Step 3: Cross multiply
    78,442.04x = 108,250.02 × 42,632.14
  4. Step 4: Simplify right side
    78,442.04x = 4,614,929,253.23
  5. Step 5: Solve for x
    x = 4,614,929,253.23/78,442.04
  6. Step 6: Final answer
    x = 58,832.35

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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.