Home / 113,509.62-156,641.85-62,521.34

Finding the Fourth Proportional to 113,509.62, 156,641.85 and 62,521.34

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Solution

The fourth proportional to 113,509.62, 156,641.85 and 62,521.34 is: 86,278.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,509.62 : 156,641.85 = 62,521.34 : x
  2. Step 2: Convert to fraction form
    113,509.62/156,641.85 = 62,521.34/x
  3. Step 3: Cross multiply
    113,509.62x = 156,641.85 × 62,521.34
  4. Step 4: Simplify right side
    113,509.62x = 9,793,457,578.87
  5. Step 5: Solve for x
    x = 9,793,457,578.87/113,509.62
  6. Step 6: Final answer
    x = 86,278.66

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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.