Home / 60,921.12-91,335.36-42,151.26

Finding the Fourth Proportional to 60,921.12, 91,335.36 and 42,151.26

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Solution

The fourth proportional to 60,921.12, 91,335.36 and 42,151.26 is: 63,194.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,921.12 : 91,335.36 = 42,151.26 : x
  2. Step 2: Convert to fraction form
    60,921.12/91,335.36 = 42,151.26/x
  3. Step 3: Cross multiply
    60,921.12x = 91,335.36 × 42,151.26
  4. Step 4: Simplify right side
    60,921.12x = 3,849,900,506.55
  5. Step 5: Solve for x
    x = 3,849,900,506.55/60,921.12
  6. Step 6: Final answer
    x = 63,194.84

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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.