Home / 67,772.38-93,528.30-40,909.64

Finding the Fourth Proportional to 67,772.38, 93,528.30 and 40,909.64

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Solution

The fourth proportional to 67,772.38, 93,528.30 and 40,909.64 is: 56,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,772.38 : 93,528.30 = 40,909.64 : x
  2. Step 2: Convert to fraction form
    67,772.38/93,528.30 = 40,909.64/x
  3. Step 3: Cross multiply
    67,772.38x = 93,528.30 × 40,909.64
  4. Step 4: Simplify right side
    67,772.38x = 3,826,209,082.81
  5. Step 5: Solve for x
    x = 3,826,209,082.81/67,772.38
  6. Step 6: Final answer
    x = 56,456.76

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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.