Home / 124,876.79-187,319.28-45,972.56

Finding the Fourth Proportional to 124,876.79, 187,319.28 and 45,972.56

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Solution

The fourth proportional to 124,876.79, 187,319.28 and 45,972.56 is: 68,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,876.79 : 187,319.28 = 45,972.56 : x
  2. Step 2: Convert to fraction form
    124,876.79/187,319.28 = 45,972.56/x
  3. Step 3: Cross multiply
    124,876.79x = 187,319.28 × 45,972.56
  4. Step 4: Simplify right side
    124,876.79x = 8,611,547,479.65
  5. Step 5: Solve for x
    x = 8,611,547,479.65/124,876.79
  6. Step 6: Final answer
    x = 68,960.35

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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.