Home / 84,751.38-117,000.45-59,712.66

Finding the Fourth Proportional to 84,751.38, 117,000.45 and 59,712.66

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Solution

The fourth proportional to 84,751.38, 117,000.45 and 59,712.66 is: 82,434.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,751.38 : 117,000.45 = 59,712.66 : x
  2. Step 2: Convert to fraction form
    84,751.38/117,000.45 = 59,712.66/x
  3. Step 3: Cross multiply
    84,751.38x = 117,000.45 × 59,712.66
  4. Step 4: Simplify right side
    84,751.38x = 6,986,408,090.70
  5. Step 5: Solve for x
    x = 6,986,408,090.70/84,751.38
  6. Step 6: Final answer
    x = 82,434.15

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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.