Home / 125,041.68-187,562.85-31,547.43

Finding the Fourth Proportional to 125,041.68, 187,562.85 and 31,547.43

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Solution

The fourth proportional to 125,041.68, 187,562.85 and 31,547.43 is: 47,321.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,041.68 : 187,562.85 = 31,547.43 : x
  2. Step 2: Convert to fraction form
    125,041.68/187,562.85 = 31,547.43/x
  3. Step 3: Cross multiply
    125,041.68x = 187,562.85 × 31,547.43
  4. Step 4: Simplify right side
    125,041.68x = 5,917,125,880.98
  5. Step 5: Solve for x
    x = 5,917,125,880.98/125,041.68
  6. Step 6: Final answer
    x = 47,321.23

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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.