Home / 91,677.45-126,515.33-53,463.49

Finding the Fourth Proportional to 91,677.45, 126,515.33 and 53,463.49

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Solution

The fourth proportional to 91,677.45, 126,515.33 and 53,463.49 is: 73,779.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,677.45 : 126,515.33 = 53,463.49 : x
  2. Step 2: Convert to fraction form
    91,677.45/126,515.33 = 53,463.49/x
  3. Step 3: Cross multiply
    91,677.45x = 126,515.33 × 53,463.49
  4. Step 4: Simplify right side
    91,677.45x = 6,763,951,484.02
  5. Step 5: Solve for x
    x = 6,763,951,484.02/91,677.45
  6. Step 6: Final answer
    x = 73,779.89

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1.5x scale

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.