Home / 124,730.96-187,113.28-40,463.60

Finding the Fourth Proportional to 124,730.96, 187,113.28 and 40,463.60

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Solution

The fourth proportional to 124,730.96, 187,113.28 and 40,463.60 is: 60,700.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,730.96 : 187,113.28 = 40,463.60 : x
  2. Step 2: Convert to fraction form
    124,730.96/187,113.28 = 40,463.60/x
  3. Step 3: Cross multiply
    124,730.96x = 187,113.28 × 40,463.60
  4. Step 4: Simplify right side
    124,730.96x = 7,571,276,916.61
  5. Step 5: Solve for x
    x = 7,571,276,916.61/124,730.96
  6. Step 6: Final answer
    x = 60,700.86

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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.