Home / 88,397.49-121,991.13-48,113.86

Finding the Fourth Proportional to 88,397.49, 121,991.13 and 48,113.86

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Solution

The fourth proportional to 88,397.49, 121,991.13 and 48,113.86 is: 66,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,397.49 : 121,991.13 = 48,113.86 : x
  2. Step 2: Convert to fraction form
    88,397.49/121,991.13 = 48,113.86/x
  3. Step 3: Cross multiply
    88,397.49x = 121,991.13 × 48,113.86
  4. Step 4: Simplify right side
    88,397.49x = 5,869,464,150.06
  5. Step 5: Solve for x
    x = 5,869,464,150.06/88,397.49
  6. Step 6: Final answer
    x = 66,398.54

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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.