Home / 91,767.39-126,504.95-64,862.43

Finding the Fourth Proportional to 91,767.39, 126,504.95 and 64,862.43

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Solution

The fourth proportional to 91,767.39, 126,504.95 and 64,862.43 is: 89,415.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,767.39 : 126,504.95 = 64,862.43 : x
  2. Step 2: Convert to fraction form
    91,767.39/126,504.95 = 64,862.43/x
  3. Step 3: Cross multiply
    91,767.39x = 126,504.95 × 64,862.43
  4. Step 4: Simplify right side
    91,767.39x = 8,205,418,464.03
  5. Step 5: Solve for x
    x = 8,205,418,464.03/91,767.39
  6. Step 6: Final answer
    x = 89,415.41

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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.