Home / 103,463.49-155,247.17-47,298.59

Finding the Fourth Proportional to 103,463.49, 155,247.17 and 47,298.59

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Solution

The fourth proportional to 103,463.49, 155,247.17 and 47,298.59 is: 70,971.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,463.49 : 155,247.17 = 47,298.59 : x
  2. Step 2: Convert to fraction form
    103,463.49/155,247.17 = 47,298.59/x
  3. Step 3: Cross multiply
    103,463.49x = 155,247.17 × 47,298.59
  4. Step 4: Simplify right side
    103,463.49x = 7,342,972,006.00
  5. Step 5: Solve for x
    x = 7,342,972,006.00/103,463.49
  6. Step 6: Final answer
    x = 70,971.63

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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.