Home / 101,470.40-152,231.52-39,124.16

Finding the Fourth Proportional to 101,470.40, 152,231.52 and 39,124.16

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Solution

The fourth proportional to 101,470.40, 152,231.52 and 39,124.16 is: 58,696.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,470.40 : 152,231.52 = 39,124.16 : x
  2. Step 2: Convert to fraction form
    101,470.40/152,231.52 = 39,124.16/x
  3. Step 3: Cross multiply
    101,470.40x = 152,231.52 × 39,124.16
  4. Step 4: Simplify right side
    101,470.40x = 5,955,930,345.52
  5. Step 5: Solve for x
    x = 5,955,930,345.52/101,470.40
  6. Step 6: Final answer
    x = 58,696.23

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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.