Home / 88,417.80-122,017.37-48,131.75

Finding the Fourth Proportional to 88,417.80, 122,017.37 and 48,131.75

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Solution

The fourth proportional to 88,417.80, 122,017.37 and 48,131.75 is: 66,422.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,417.80 : 122,017.37 = 48,131.75 : x
  2. Step 2: Convert to fraction form
    88,417.80/122,017.37 = 48,131.75/x
  3. Step 3: Cross multiply
    88,417.80x = 122,017.37 × 48,131.75
  4. Step 4: Simplify right side
    88,417.80x = 5,872,909,612.88
  5. Step 5: Solve for x
    x = 5,872,909,612.88/88,417.80
  6. Step 6: Final answer
    x = 66,422.25

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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.