Home / 124,812.32-172,228.02-71,086.10

Finding the Fourth Proportional to 124,812.32, 172,228.02 and 71,086.10

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Solution

The fourth proportional to 124,812.32, 172,228.02 and 71,086.10 is: 98,091.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,812.32 : 172,228.02 = 71,086.10 : x
  2. Step 2: Convert to fraction form
    124,812.32/172,228.02 = 71,086.10/x
  3. Step 3: Cross multiply
    124,812.32x = 172,228.02 × 71,086.10
  4. Step 4: Simplify right side
    124,812.32x = 12,243,018,252.52
  5. Step 5: Solve for x
    x = 12,243,018,252.52/124,812.32
  6. Step 6: Final answer
    x = 98,091.42

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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.