Home / 91,577.52-126,337.32-55,293.84

Finding the Fourth Proportional to 91,577.52, 126,337.32 and 55,293.84

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Solution

The fourth proportional to 91,577.52, 126,337.32 and 55,293.84 is: 76,281.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,577.52 : 126,337.32 = 55,293.84 : x
  2. Step 2: Convert to fraction form
    91,577.52/126,337.32 = 55,293.84/x
  3. Step 3: Cross multiply
    91,577.52x = 126,337.32 × 55,293.84
  4. Step 4: Simplify right side
    91,577.52x = 6,985,675,558.11
  5. Step 5: Solve for x
    x = 6,985,675,558.11/91,577.52
  6. Step 6: Final answer
    x = 76,281.55

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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.