Home / 124,759.35-187,083.67-77,372.53

Finding the Fourth Proportional to 124,759.35, 187,083.67 and 77,372.53

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Solution

The fourth proportional to 124,759.35, 187,083.67 and 77,372.53 is: 116,024.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,759.35 : 187,083.67 = 77,372.53 : x
  2. Step 2: Convert to fraction form
    124,759.35/187,083.67 = 77,372.53/x
  3. Step 3: Cross multiply
    124,759.35x = 187,083.67 × 77,372.53
  4. Step 4: Simplify right side
    124,759.35x = 14,475,135,547.30
  5. Step 5: Solve for x
    x = 14,475,135,547.30/124,759.35
  6. Step 6: Final answer
    x = 116,024.45

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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.