Home / 88,189.16-121,630.62-58,005.44

Finding the Fourth Proportional to 88,189.16, 121,630.62 and 58,005.44

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Solution

The fourth proportional to 88,189.16, 121,630.62 and 58,005.44 is: 80,001.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,189.16 : 121,630.62 = 58,005.44 : x
  2. Step 2: Convert to fraction form
    88,189.16/121,630.62 = 58,005.44/x
  3. Step 3: Cross multiply
    88,189.16x = 121,630.62 × 58,005.44
  4. Step 4: Simplify right side
    88,189.16x = 7,055,237,630.57
  5. Step 5: Solve for x
    x = 7,055,237,630.57/88,189.16
  6. Step 6: Final answer
    x = 80,001.19

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1.5x scale

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.