Home / 91,934.64-126,854.46-54,216.36

Finding the Fourth Proportional to 91,934.64, 126,854.46 and 54,216.36

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Solution

The fourth proportional to 91,934.64, 126,854.46 and 54,216.36 is: 74,809.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,934.64 : 126,854.46 = 54,216.36 : x
  2. Step 2: Convert to fraction form
    91,934.64/126,854.46 = 54,216.36/x
  3. Step 3: Cross multiply
    91,934.64x = 126,854.46 × 54,216.36
  4. Step 4: Simplify right side
    91,934.64x = 6,877,587,070.97
  5. Step 5: Solve for x
    x = 6,877,587,070.97/91,934.64
  6. Step 6: Final answer
    x = 74,809.53

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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.