Home / 67,248.14-92,802.68-40,391.10

Finding the Fourth Proportional to 67,248.14, 92,802.68 and 40,391.10

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Solution

The fourth proportional to 67,248.14, 92,802.68 and 40,391.10 is: 55,739.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,248.14 : 92,802.68 = 40,391.10 : x
  2. Step 2: Convert to fraction form
    67,248.14/92,802.68 = 40,391.10/x
  3. Step 3: Cross multiply
    67,248.14x = 92,802.68 × 40,391.10
  4. Step 4: Simplify right side
    67,248.14x = 3,748,402,126.19
  5. Step 5: Solve for x
    x = 3,748,402,126.19/67,248.14
  6. Step 6: Final answer
    x = 55,739.87

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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.