Home / 102,100.43-153,152.04-38,923.92

Finding the Fourth Proportional to 102,100.43, 153,152.04 and 38,923.92

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Solution

The fourth proportional to 102,100.43, 153,152.04 and 38,923.92 is: 58,386.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,100.43 : 153,152.04 = 38,923.92 : x
  2. Step 2: Convert to fraction form
    102,100.43/153,152.04 = 38,923.92/x
  3. Step 3: Cross multiply
    102,100.43x = 153,152.04 × 38,923.92
  4. Step 4: Simplify right side
    102,100.43x = 5,961,277,752.80
  5. Step 5: Solve for x
    x = 5,961,277,752.80/102,100.43
  6. Step 6: Final answer
    x = 58,386.41

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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.