Home / 70,659.18-106,033.32-40,711.86

Finding the Fourth Proportional to 70,659.18, 106,033.32 and 40,711.86

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Solution

The fourth proportional to 70,659.18, 106,033.32 and 40,711.86 is: 61,093.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,659.18 : 106,033.32 = 40,711.86 : x
  2. Step 2: Convert to fraction form
    70,659.18/106,033.32 = 40,711.86/x
  3. Step 3: Cross multiply
    70,659.18x = 106,033.32 × 40,711.86
  4. Step 4: Simplify right side
    70,659.18x = 4,316,813,679.18
  5. Step 5: Solve for x
    x = 4,316,813,679.18/70,659.18
  6. Step 6: Final answer
    x = 61,093.46

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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.