Home / 60,390.12-90,555.92-25,320.36

Finding the Fourth Proportional to 60,390.12, 90,555.92 and 25,320.36

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Solution

The fourth proportional to 60,390.12, 90,555.92 and 25,320.36 is: 37,968.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,390.12 : 90,555.92 = 25,320.36 : x
  2. Step 2: Convert to fraction form
    60,390.12/90,555.92 = 25,320.36/x
  3. Step 3: Cross multiply
    60,390.12x = 90,555.92 × 25,320.36
  4. Step 4: Simplify right side
    60,390.12x = 2,292,908,494.53
  5. Step 5: Solve for x
    x = 2,292,908,494.53/60,390.12
  6. Step 6: Final answer
    x = 37,968.27

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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.