Home / 124,900.11-172,351.71-70,449.27

Finding the Fourth Proportional to 124,900.11, 172,351.71 and 70,449.27

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Solution

The fourth proportional to 124,900.11, 172,351.71 and 70,449.27 is: 97,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,900.11 : 172,351.71 = 70,449.27 : x
  2. Step 2: Convert to fraction form
    124,900.11/172,351.71 = 70,449.27/x
  3. Step 3: Cross multiply
    124,900.11x = 172,351.71 × 70,449.27
  4. Step 4: Simplify right side
    124,900.11x = 12,142,052,152.75
  5. Step 5: Solve for x
    x = 12,142,052,152.75/124,900.11
  6. Step 6: Final answer
    x = 97,214.10

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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.