Home / 125,549.48-173,215.38-71,814.92

Finding the Fourth Proportional to 125,549.48, 173,215.38 and 71,814.92

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Solution

The fourth proportional to 125,549.48, 173,215.38 and 71,814.92 is: 99,080.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,549.48 : 173,215.38 = 71,814.92 : x
  2. Step 2: Convert to fraction form
    125,549.48/173,215.38 = 71,814.92/x
  3. Step 3: Cross multiply
    125,549.48x = 173,215.38 × 71,814.92
  4. Step 4: Simplify right side
    125,549.48x = 12,439,448,657.47
  5. Step 5: Solve for x
    x = 12,439,448,657.47/125,549.48
  6. Step 6: Final answer
    x = 99,080.05

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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.