Home / 60,130.53-90,088.83-51,275.61

Finding the Fourth Proportional to 60,130.53, 90,088.83 and 51,275.61

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Solution

The fourth proportional to 60,130.53, 90,088.83 and 51,275.61 is: 76,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,130.53 : 90,088.83 = 51,275.61 : x
  2. Step 2: Convert to fraction form
    60,130.53/90,088.83 = 51,275.61/x
  3. Step 3: Cross multiply
    60,130.53x = 90,088.83 × 51,275.61
  4. Step 4: Simplify right side
    60,130.53x = 4,619,359,712.44
  5. Step 5: Solve for x
    x = 4,619,359,712.44/60,130.53
  6. Step 6: Final answer
    x = 76,822.20

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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.