Home / 67,732.90-93,472.08-40,870.24

Finding the Fourth Proportional to 67,732.90, 93,472.08 and 40,870.24

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Solution

The fourth proportional to 67,732.90, 93,472.08 and 40,870.24 is: 56,401.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,732.90 : 93,472.08 = 40,870.24 : x
  2. Step 2: Convert to fraction form
    67,732.90/93,472.08 = 40,870.24/x
  3. Step 3: Cross multiply
    67,732.90x = 93,472.08 × 40,870.24
  4. Step 4: Simplify right side
    67,732.90x = 3,820,226,342.90
  5. Step 5: Solve for x
    x = 3,820,226,342.90/67,732.90
  6. Step 6: Final answer
    x = 56,401.34

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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.