Home / 58,098-86,981.76-38,316.24

Finding the Fourth Proportional to 58,098, 86,981.76 and 38,316.24

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Solution

The fourth proportional to 58,098, 86,981.76 and 38,316.24 is: 57,365.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,098 : 86,981.76 = 38,316.24 : x
  2. Step 2: Convert to fraction form
    58,098/86,981.76 = 38,316.24/x
  3. Step 3: Cross multiply
    58,098x = 86,981.76 × 38,316.24
  4. Step 4: Simplify right side
    58,098x = 3,332,813,991.78
  5. Step 5: Solve for x
    x = 3,332,813,991.78/58,098
  6. Step 6: Final answer
    x = 57,365.38

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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.