Home / 57,152.80-78,867.12-32,001.76

Finding the Fourth Proportional to 57,152.80, 78,867.12 and 32,001.76

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Solution

The fourth proportional to 57,152.80, 78,867.12 and 32,001.76 is: 44,160.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,152.80 : 78,867.12 = 32,001.76 : x
  2. Step 2: Convert to fraction form
    57,152.80/78,867.12 = 32,001.76/x
  3. Step 3: Cross multiply
    57,152.80x = 78,867.12 × 32,001.76
  4. Step 4: Simplify right side
    57,152.80x = 2,523,886,646.13
  5. Step 5: Solve for x
    x = 2,523,886,646.13/57,152.80
  6. Step 6: Final answer
    x = 44,160.33

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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.