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Finding the Fourth Proportional to 67,585.62, 93,265.52 and 40,366.32

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Solution

The fourth proportional to 67,585.62, 93,265.52 and 40,366.32 is: 55,703.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,585.62 : 93,265.52 = 40,366.32 : x
  2. Step 2: Convert to fraction form
    67,585.62/93,265.52 = 40,366.32/x
  3. Step 3: Cross multiply
    67,585.62x = 93,265.52 × 40,366.32
  4. Step 4: Simplify right side
    67,585.62x = 3,764,785,623.45
  5. Step 5: Solve for x
    x = 3,764,785,623.45/67,585.62
  6. Step 6: Final answer
    x = 55,703.94

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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.