Home / 91,781.01-126,729.47-59,530.95

Finding the Fourth Proportional to 91,781.01, 126,729.47 and 59,530.95

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Solution

The fourth proportional to 91,781.01, 126,729.47 and 59,530.95 is: 82,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,781.01 : 126,729.47 = 59,530.95 : x
  2. Step 2: Convert to fraction form
    91,781.01/126,729.47 = 59,530.95/x
  3. Step 3: Cross multiply
    91,781.01x = 126,729.47 × 59,530.95
  4. Step 4: Simplify right side
    91,781.01x = 7,544,325,742.10
  5. Step 5: Solve for x
    x = 7,544,325,742.10/91,781.01
  6. Step 6: Final answer
    x = 82,199.20

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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.