Home / 124,314.48-171,587.16-76,575.60

Finding the Fourth Proportional to 124,314.48, 171,587.16 and 76,575.60

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Solution

The fourth proportional to 124,314.48, 171,587.16 and 76,575.60 is: 105,694.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,314.48 : 171,587.16 = 76,575.60 : x
  2. Step 2: Convert to fraction form
    124,314.48/171,587.16 = 76,575.60/x
  3. Step 3: Cross multiply
    124,314.48x = 171,587.16 × 76,575.60
  4. Step 4: Simplify right side
    124,314.48x = 13,139,389,729.30
  5. Step 5: Solve for x
    x = 13,139,389,729.30/124,314.48
  6. Step 6: Final answer
    x = 105,694.76

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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.