Home / 108,385.88-149,572.52-60,650.46

Finding the Fourth Proportional to 108,385.88, 149,572.52 and 60,650.46

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Solution

The fourth proportional to 108,385.88, 149,572.52 and 60,650.46 is: 83,697.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,385.88 : 149,572.52 = 60,650.46 : x
  2. Step 2: Convert to fraction form
    108,385.88/149,572.52 = 60,650.46/x
  3. Step 3: Cross multiply
    108,385.88x = 149,572.52 × 60,650.46
  4. Step 4: Simplify right side
    108,385.88x = 9,071,641,838.11
  5. Step 5: Solve for x
    x = 9,071,641,838.11/108,385.88
  6. Step 6: Final answer
    x = 83,697.64

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1.5x scale

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.