Home / 124,121.50-171,289.02-67,534.12

Finding the Fourth Proportional to 124,121.50, 171,289.02 and 67,534.12

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Solution

The fourth proportional to 124,121.50, 171,289.02 and 67,534.12 is: 93,197.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,121.50 : 171,289.02 = 67,534.12 : x
  2. Step 2: Convert to fraction form
    124,121.50/171,289.02 = 67,534.12/x
  3. Step 3: Cross multiply
    124,121.50x = 171,289.02 × 67,534.12
  4. Step 4: Simplify right side
    124,121.50x = 11,567,853,231.36
  5. Step 5: Solve for x
    x = 11,567,853,231.36/124,121.50
  6. Step 6: Final answer
    x = 93,197.82

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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.