Home / 60,885.06-91,319.46-21,437.28

Finding the Fourth Proportional to 60,885.06, 91,319.46 and 21,437.28

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Solution

The fourth proportional to 60,885.06, 91,319.46 and 21,437.28 is: 32,153.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,885.06 : 91,319.46 = 21,437.28 : x
  2. Step 2: Convert to fraction form
    60,885.06/91,319.46 = 21,437.28/x
  3. Step 3: Cross multiply
    60,885.06x = 91,319.46 × 21,437.28
  4. Step 4: Simplify right side
    60,885.06x = 1,957,640,833.47
  5. Step 5: Solve for x
    x = 1,957,640,833.47/60,885.06
  6. Step 6: Final answer
    x = 32,153.06

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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.