Home / 88,921.08-122,713.52-48,637.22

Finding the Fourth Proportional to 88,921.08, 122,713.52 and 48,637.22

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Solution

The fourth proportional to 88,921.08, 122,713.52 and 48,637.22 is: 67,120.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,921.08 : 122,713.52 = 48,637.22 : x
  2. Step 2: Convert to fraction form
    88,921.08/122,713.52 = 48,637.22/x
  3. Step 3: Cross multiply
    88,921.08x = 122,713.52 × 48,637.22
  4. Step 4: Simplify right side
    88,921.08x = 5,968,443,612.46
  5. Step 5: Solve for x
    x = 5,968,443,612.46/88,921.08
  6. Step 6: Final answer
    x = 67,120.68

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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.