Home / 72,726.03-100,247.56-66,624.30

Finding the Fourth Proportional to 72,726.03, 100,247.56 and 66,624.30

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Solution

The fourth proportional to 72,726.03, 100,247.56 and 66,624.30 is: 91,836.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,726.03 : 100,247.56 = 66,624.30 : x
  2. Step 2: Convert to fraction form
    72,726.03/100,247.56 = 66,624.30/x
  3. Step 3: Cross multiply
    72,726.03x = 100,247.56 × 66,624.30
  4. Step 4: Simplify right side
    72,726.03x = 6,678,923,345.15
  5. Step 5: Solve for x
    x = 6,678,923,345.15/72,726.03
  6. Step 6: Final answer
    x = 91,836.77

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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.