Home / 114,981.76-172,472.69-51,728.02

Finding the Fourth Proportional to 114,981.76, 172,472.69 and 51,728.02

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Solution

The fourth proportional to 114,981.76, 172,472.69 and 51,728.02 is: 77,592.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,981.76 : 172,472.69 = 51,728.02 : x
  2. Step 2: Convert to fraction form
    114,981.76/172,472.69 = 51,728.02/x
  3. Step 3: Cross multiply
    114,981.76x = 172,472.69 × 51,728.02
  4. Step 4: Simplify right side
    114,981.76x = 8,921,670,455.91
  5. Step 5: Solve for x
    x = 8,921,670,455.91/114,981.76
  6. Step 6: Final answer
    x = 77,592.05

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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.