Home / 88,133.88-121,626.22-47,847.65

Finding the Fourth Proportional to 88,133.88, 121,626.22 and 47,847.65

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Solution

The fourth proportional to 88,133.88, 121,626.22 and 47,847.65 is: 66,030.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,133.88 : 121,626.22 = 47,847.65 : x
  2. Step 2: Convert to fraction form
    88,133.88/121,626.22 = 47,847.65/x
  3. Step 3: Cross multiply
    88,133.88x = 121,626.22 × 47,847.65
  4. Step 4: Simplify right side
    88,133.88x = 5,819,528,805.38
  5. Step 5: Solve for x
    x = 5,819,528,805.38/88,133.88
  6. Step 6: Final answer
    x = 66,030.55

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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.