Home / 125,064.47-187,601.90-36,317.98

Finding the Fourth Proportional to 125,064.47, 187,601.90 and 36,317.98

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Solution

The fourth proportional to 125,064.47, 187,601.90 and 36,317.98 is: 54,478.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,064.47 : 187,601.90 = 36,317.98 : x
  2. Step 2: Convert to fraction form
    125,064.47/187,601.90 = 36,317.98/x
  3. Step 3: Cross multiply
    125,064.47x = 187,601.90 × 36,317.98
  4. Step 4: Simplify right side
    125,064.47x = 6,813,321,679.59
  5. Step 5: Solve for x
    x = 6,813,321,679.59/125,064.47
  6. Step 6: Final answer
    x = 54,478.47

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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.