Home / 88,641.32-122,314.04-54,203.36

Finding the Fourth Proportional to 88,641.32, 122,314.04 and 54,203.36

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Solution

The fourth proportional to 88,641.32, 122,314.04 and 54,203.36 is: 74,793.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,641.32 : 122,314.04 = 54,203.36 : x
  2. Step 2: Convert to fraction form
    88,641.32/122,314.04 = 54,203.36/x
  3. Step 3: Cross multiply
    88,641.32x = 122,314.04 × 54,203.36
  4. Step 4: Simplify right side
    88,641.32x = 6,629,831,943.17
  5. Step 5: Solve for x
    x = 6,629,831,943.17/88,641.32
  6. Step 6: Final answer
    x = 74,793.92

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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.