Home / 88,115.31-121,599.23-47,829.06

Finding the Fourth Proportional to 88,115.31, 121,599.23 and 47,829.06

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Solution

The fourth proportional to 88,115.31, 121,599.23 and 47,829.06 is: 66,004.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,115.31 : 121,599.23 = 47,829.06 : x
  2. Step 2: Convert to fraction form
    88,115.31/121,599.23 = 47,829.06/x
  3. Step 3: Cross multiply
    88,115.31x = 121,599.23 × 47,829.06
  4. Step 4: Simplify right side
    88,115.31x = 5,815,976,628.48
  5. Step 5: Solve for x
    x = 5,815,976,628.48/88,115.31
  6. Step 6: Final answer
    x = 66,004.16

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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.