Home / 70,680.08-105,881.40-41,035.76

Finding the Fourth Proportional to 70,680.08, 105,881.40 and 41,035.76

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Solution

The fourth proportional to 70,680.08, 105,881.40 and 41,035.76 is: 61,473.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,680.08 : 105,881.40 = 41,035.76 : x
  2. Step 2: Convert to fraction form
    70,680.08/105,881.40 = 41,035.76/x
  3. Step 3: Cross multiply
    70,680.08x = 105,881.40 × 41,035.76
  4. Step 4: Simplify right side
    70,680.08x = 4,344,923,718.86
  5. Step 5: Solve for x
    x = 4,344,923,718.86/70,680.08
  6. Step 6: Final answer
    x = 61,473.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.