Home / 108,158.48-149,258.40-60,411.92

Finding the Fourth Proportional to 108,158.48, 149,258.40 and 60,411.92

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Solution

The fourth proportional to 108,158.48, 149,258.40 and 60,411.92 is: 83,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,158.48 : 149,258.40 = 60,411.92 : x
  2. Step 2: Convert to fraction form
    108,158.48/149,258.40 = 60,411.92/x
  3. Step 3: Cross multiply
    108,158.48x = 149,258.40 × 60,411.92
  4. Step 4: Simplify right side
    108,158.48x = 9,016,986,520.13
  5. Step 5: Solve for x
    x = 9,016,986,520.13/108,158.48
  6. Step 6: Final answer
    x = 83,368.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.