Home / 88,392.48-121,919.52-58,168.16

Finding the Fourth Proportional to 88,392.48, 121,919.52 and 58,168.16

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Solution

The fourth proportional to 88,392.48, 121,919.52 and 58,168.16 is: 80,231.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,392.48 : 121,919.52 = 58,168.16 : x
  2. Step 2: Convert to fraction form
    88,392.48/121,919.52 = 58,168.16/x
  3. Step 3: Cross multiply
    88,392.48x = 121,919.52 × 58,168.16
  4. Step 4: Simplify right side
    88,392.48x = 7,091,834,146.48
  5. Step 5: Solve for x
    x = 7,091,834,146.48/88,392.48
  6. Step 6: Final answer
    x = 80,231.19

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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.