Home / 124,121.35-171,287.45-67,533.13

Finding the Fourth Proportional to 124,121.35, 171,287.45 and 67,533.13

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Solution

The fourth proportional to 124,121.35, 171,287.45 and 67,533.13 is: 93,195.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,121.35 : 171,287.45 = 67,533.13 : x
  2. Step 2: Convert to fraction form
    124,121.35/171,287.45 = 67,533.13/x
  3. Step 3: Cross multiply
    124,121.35x = 171,287.45 × 67,533.13
  4. Step 4: Simplify right side
    124,121.35x = 11,567,577,368.83
  5. Step 5: Solve for x
    x = 11,567,577,368.83/124,121.35
  6. Step 6: Final answer
    x = 93,195.71

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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.