Home / 88,530.74-122,172.22-48,244.40

Finding the Fourth Proportional to 88,530.74, 122,172.22 and 48,244.40

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Solution

The fourth proportional to 88,530.74, 122,172.22 and 48,244.40 is: 66,577.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,530.74 : 122,172.22 = 48,244.40 : x
  2. Step 2: Convert to fraction form
    88,530.74/122,172.22 = 48,244.40/x
  3. Step 3: Cross multiply
    88,530.74x = 122,172.22 × 48,244.40
  4. Step 4: Simplify right side
    88,530.74x = 5,894,125,450.57
  5. Step 5: Solve for x
    x = 5,894,125,450.57/88,530.74
  6. Step 6: Final answer
    x = 66,577.16

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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.