Home / 125,445.76-173,115.06-70,996.94

Finding the Fourth Proportional to 125,445.76, 173,115.06 and 70,996.94

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Solution

The fourth proportional to 125,445.76, 173,115.06 and 70,996.94 is: 97,975.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,445.76 : 173,115.06 = 70,996.94 : x
  2. Step 2: Convert to fraction form
    125,445.76/173,115.06 = 70,996.94/x
  3. Step 3: Cross multiply
    125,445.76x = 173,115.06 × 70,996.94
  4. Step 4: Simplify right side
    125,445.76x = 12,290,639,527.92
  5. Step 5: Solve for x
    x = 12,290,639,527.92/125,445.76
  6. Step 6: Final answer
    x = 97,975.73

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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.