Home / 83,048.28-124,411.84-69,561.12

Finding the Fourth Proportional to 83,048.28, 124,411.84 and 69,561.12

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Solution

The fourth proportional to 83,048.28, 124,411.84 and 69,561.12 is: 104,207.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,048.28 : 124,411.84 = 69,561.12 : x
  2. Step 2: Convert to fraction form
    83,048.28/124,411.84 = 69,561.12/x
  3. Step 3: Cross multiply
    83,048.28x = 124,411.84 × 69,561.12
  4. Step 4: Simplify right side
    83,048.28x = 8,654,226,931.66
  5. Step 5: Solve for x
    x = 8,654,226,931.66/83,048.28
  6. Step 6: Final answer
    x = 104,207.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.