Home / 108,221.95-149,345.94-60,475.29

Finding the Fourth Proportional to 108,221.95, 149,345.94 and 60,475.29

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Solution

The fourth proportional to 108,221.95, 149,345.94 and 60,475.29 is: 83,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,221.95 : 149,345.94 = 60,475.29 : x
  2. Step 2: Convert to fraction form
    108,221.95/149,345.94 = 60,475.29/x
  3. Step 3: Cross multiply
    108,221.95x = 149,345.94 × 60,475.29
  4. Step 4: Simplify right side
    108,221.95x = 9,031,739,031.82
  5. Step 5: Solve for x
    x = 9,031,739,031.82/108,221.95
  6. Step 6: Final answer
    x = 83,455.70

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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.