Home / 83,603.07-125,416.85-39,234.31

Finding the Fourth Proportional to 83,603.07, 125,416.85 and 39,234.31

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Solution

The fourth proportional to 83,603.07, 125,416.85 and 39,234.31 is: 58,857.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,603.07 : 125,416.85 = 39,234.31 : x
  2. Step 2: Convert to fraction form
    83,603.07/125,416.85 = 39,234.31/x
  3. Step 3: Cross multiply
    83,603.07x = 125,416.85 × 39,234.31
  4. Step 4: Simplify right side
    83,603.07x = 4,920,643,062.41
  5. Step 5: Solve for x
    x = 4,920,643,062.41/83,603.07
  6. Step 6: Final answer
    x = 58,857.21

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1.5x scale

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.