Home / 91,520.48-126,300.66-51,234.06

Finding the Fourth Proportional to 91,520.48, 126,300.66 and 51,234.06

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Solution

The fourth proportional to 91,520.48, 126,300.66 and 51,234.06 is: 70,704.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,520.48 : 126,300.66 = 51,234.06 : x
  2. Step 2: Convert to fraction form
    91,520.48/126,300.66 = 51,234.06/x
  3. Step 3: Cross multiply
    91,520.48x = 126,300.66 × 51,234.06
  4. Step 4: Simplify right side
    91,520.48x = 6,470,895,592.48
  5. Step 5: Solve for x
    x = 6,470,895,592.48/91,520.48
  6. Step 6: Final answer
    x = 70,704.34

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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.