Home / 103,569.85-142,909.79-58,247.69

Finding the Fourth Proportional to 103,569.85, 142,909.79 and 58,247.69

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Solution

The fourth proportional to 103,569.85, 142,909.79 and 58,247.69 is: 80,372.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,569.85 : 142,909.79 = 58,247.69 : x
  2. Step 2: Convert to fraction form
    103,569.85/142,909.79 = 58,247.69/x
  3. Step 3: Cross multiply
    103,569.85x = 142,909.79 × 58,247.69
  4. Step 4: Simplify right side
    103,569.85x = 8,324,165,145.89
  5. Step 5: Solve for x
    x = 8,324,165,145.89/103,569.85
  6. Step 6: Final answer
    x = 80,372.47

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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.