Home / 124,405.35-171,679.68-70,708.20

Finding the Fourth Proportional to 124,405.35, 171,679.68 and 70,708.20

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Solution

The fourth proportional to 124,405.35, 171,679.68 and 70,708.20 is: 97,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,405.35 : 171,679.68 = 70,708.20 : x
  2. Step 2: Convert to fraction form
    124,405.35/171,679.68 = 70,708.20/x
  3. Step 3: Cross multiply
    124,405.35x = 171,679.68 × 70,708.20
  4. Step 4: Simplify right side
    124,405.35x = 12,139,161,149.38
  5. Step 5: Solve for x
    x = 12,139,161,149.38/124,405.35
  6. Step 6: Final answer
    x = 97,577.48

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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.