Home / 88,147.74-121,643.52-47,861.22

Finding the Fourth Proportional to 88,147.74, 121,643.52 and 47,861.22

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Solution

The fourth proportional to 88,147.74, 121,643.52 and 47,861.22 is: 66,048.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,147.74 : 121,643.52 = 47,861.22 : x
  2. Step 2: Convert to fraction form
    88,147.74/121,643.52 = 47,861.22/x
  3. Step 3: Cross multiply
    88,147.74x = 121,643.52 × 47,861.22
  4. Step 4: Simplify right side
    88,147.74x = 5,822,007,272.29
  5. Step 5: Solve for x
    x = 5,822,007,272.29/88,147.74
  6. Step 6: Final answer
    x = 66,048.29

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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.