Home / 108,384.38-149,570.45-60,648.95

Finding the Fourth Proportional to 108,384.38, 149,570.45 and 60,648.95

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Solution

The fourth proportional to 108,384.38, 149,570.45 and 60,648.95 is: 83,695.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,384.38 : 149,570.45 = 60,648.95 : x
  2. Step 2: Convert to fraction form
    108,384.38/149,570.45 = 60,648.95/x
  3. Step 3: Cross multiply
    108,384.38x = 149,570.45 × 60,648.95
  4. Step 4: Simplify right side
    108,384.38x = 9,071,291,041.64
  5. Step 5: Solve for x
    x = 9,071,291,041.64/108,384.38
  6. Step 6: Final answer
    x = 83,695.56

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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.