Home / 124,034.88-171,172.64-71,053.12

Finding the Fourth Proportional to 124,034.88, 171,172.64 and 71,053.12

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Solution

The fourth proportional to 124,034.88, 171,172.64 and 71,053.12 is: 98,055.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,034.88 : 171,172.64 = 71,053.12 : x
  2. Step 2: Convert to fraction form
    124,034.88/171,172.64 = 71,053.12/x
  3. Step 3: Cross multiply
    124,034.88x = 171,172.64 × 71,053.12
  4. Step 4: Simplify right side
    124,034.88x = 12,162,350,130.64
  5. Step 5: Solve for x
    x = 12,162,350,130.64/124,034.88
  6. Step 6: Final answer
    x = 98,055.89

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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.