Home / 94,920.32-142,398.40-39,521.92

Finding the Fourth Proportional to 94,920.32, 142,398.40 and 39,521.92

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Solution

The fourth proportional to 94,920.32, 142,398.40 and 39,521.92 is: 59,290.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,920.32 : 142,398.40 = 39,521.92 : x
  2. Step 2: Convert to fraction form
    94,920.32/142,398.40 = 39,521.92/x
  3. Step 3: Cross multiply
    94,920.32x = 142,398.40 × 39,521.92
  4. Step 4: Simplify right side
    94,920.32x = 5,627,858,172.93
  5. Step 5: Solve for x
    x = 5,627,858,172.93/94,920.32
  6. Step 6: Final answer
    x = 59,290.34

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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.