Home / 77,432.39-116,181.26-42,331.04

Finding the Fourth Proportional to 77,432.39, 116,181.26 and 42,331.04

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Solution

The fourth proportional to 77,432.39, 116,181.26 and 42,331.04 is: 63,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,432.39 : 116,181.26 = 42,331.04 : x
  2. Step 2: Convert to fraction form
    77,432.39/116,181.26 = 42,331.04/x
  3. Step 3: Cross multiply
    77,432.39x = 116,181.26 × 42,331.04
  4. Step 4: Simplify right side
    77,432.39x = 4,918,073,352.66
  5. Step 5: Solve for x
    x = 4,918,073,352.66/77,432.39
  6. Step 6: Final answer
    x = 63,514.42

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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.