Home / 88,867.20-133,084.80-47,222.40

Finding the Fourth Proportional to 88,867.20, 133,084.80 and 47,222.40

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Solution

The fourth proportional to 88,867.20, 133,084.80 and 47,222.40 is: 70,718.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,867.20 : 133,084.80 = 47,222.40 : x
  2. Step 2: Convert to fraction form
    88,867.20/133,084.80 = 47,222.40/x
  3. Step 3: Cross multiply
    88,867.20x = 133,084.80 × 47,222.40
  4. Step 4: Simplify right side
    88,867.20x = 6,284,583,659.52
  5. Step 5: Solve for x
    x = 6,284,583,659.52/88,867.20
  6. Step 6: Final answer
    x = 70,718.82

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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.