Home / 108,666.39-162,985.74-42,060.95

Finding the Fourth Proportional to 108,666.39, 162,985.74 and 42,060.95

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Solution

The fourth proportional to 108,666.39, 162,985.74 and 42,060.95 is: 63,086.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,666.39 : 162,985.74 = 42,060.95 : x
  2. Step 2: Convert to fraction form
    108,666.39/162,985.74 = 42,060.95/x
  3. Step 3: Cross multiply
    108,666.39x = 162,985.74 × 42,060.95
  4. Step 4: Simplify right side
    108,666.39x = 6,855,335,060.85
  5. Step 5: Solve for x
    x = 6,855,335,060.85/108,666.39
  6. Step 6: Final answer
    x = 63,086.07

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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.