Home / 102,010.66-140,711.18-70,124.20

Finding the Fourth Proportional to 102,010.66, 140,711.18 and 70,124.20

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Solution

The fourth proportional to 102,010.66, 140,711.18 and 70,124.20 is: 96,727.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,010.66 : 140,711.18 = 70,124.20 : x
  2. Step 2: Convert to fraction form
    102,010.66/140,711.18 = 70,124.20/x
  3. Step 3: Cross multiply
    102,010.66x = 140,711.18 × 70,124.20
  4. Step 4: Simplify right side
    102,010.66x = 9,867,258,226.16
  5. Step 5: Solve for x
    x = 9,867,258,226.16/102,010.66
  6. Step 6: Final answer
    x = 96,727.72

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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.