Home / 90,966.85-136,514.86-73,410.02

Finding the Fourth Proportional to 90,966.85, 136,514.86 and 73,410.02

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Solution

The fourth proportional to 90,966.85, 136,514.86 and 73,410.02 is: 110,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,966.85 : 136,514.86 = 73,410.02 : x
  2. Step 2: Convert to fraction form
    90,966.85/136,514.86 = 73,410.02/x
  3. Step 3: Cross multiply
    90,966.85x = 136,514.86 × 73,410.02
  4. Step 4: Simplify right side
    90,966.85x = 10,021,558,602.90
  5. Step 5: Solve for x
    x = 10,021,558,602.90/90,966.85
  6. Step 6: Final answer
    x = 110,167.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.