Home / 91,873.13-126,798.66-56,083.88

Finding the Fourth Proportional to 91,873.13, 126,798.66 and 56,083.88

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Solution

The fourth proportional to 91,873.13, 126,798.66 and 56,083.88 is: 77,404.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,873.13 : 126,798.66 = 56,083.88 : x
  2. Step 2: Convert to fraction form
    91,873.13/126,798.66 = 56,083.88/x
  3. Step 3: Cross multiply
    91,873.13x = 126,798.66 × 56,083.88
  4. Step 4: Simplify right side
    91,873.13x = 7,111,360,197.61
  5. Step 5: Solve for x
    x = 7,111,360,197.61/91,873.13
  6. Step 6: Final answer
    x = 77,404.14

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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.