Home / 91,660.06-126,499.02-53,417.50

Finding the Fourth Proportional to 91,660.06, 126,499.02 and 53,417.50

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Solution

The fourth proportional to 91,660.06, 126,499.02 and 53,417.50 is: 73,720.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,660.06 : 126,499.02 = 53,417.50 : x
  2. Step 2: Convert to fraction form
    91,660.06/126,499.02 = 53,417.50/x
  3. Step 3: Cross multiply
    91,660.06x = 126,499.02 × 53,417.50
  4. Step 4: Simplify right side
    91,660.06x = 6,757,261,400.85
  5. Step 5: Solve for x
    x = 6,757,261,400.85/91,660.06
  6. Step 6: Final answer
    x = 73,720.89

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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.