Home / 124,809.96-172,233.90-71,102.64

Finding the Fourth Proportional to 124,809.96, 172,233.90 and 71,102.64

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Solution

The fourth proportional to 124,809.96, 172,233.90 and 71,102.64 is: 98,119.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,809.96 : 172,233.90 = 71,102.64 : x
  2. Step 2: Convert to fraction form
    124,809.96/172,233.90 = 71,102.64/x
  3. Step 3: Cross multiply
    124,809.96x = 172,233.90 × 71,102.64
  4. Step 4: Simplify right side
    124,809.96x = 12,246,284,987.50
  5. Step 5: Solve for x
    x = 12,246,284,987.50/124,809.96
  6. Step 6: Final answer
    x = 98,119.45

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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.