Home / 76,502.67-114,541.17-38,981.85

Finding the Fourth Proportional to 76,502.67, 114,541.17 and 38,981.85

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Solution

The fourth proportional to 76,502.67, 114,541.17 and 38,981.85 is: 58,364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,502.67 : 114,541.17 = 38,981.85 : x
  2. Step 2: Convert to fraction form
    76,502.67/114,541.17 = 38,981.85/x
  3. Step 3: Cross multiply
    76,502.67x = 114,541.17 × 38,981.85
  4. Step 4: Simplify right side
    76,502.67x = 4,465,026,707.76
  5. Step 5: Solve for x
    x = 4,465,026,707.76/76,502.67
  6. Step 6: Final answer
    x = 58,364.33

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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.