Home / 91,001.20-125,579.76-50,714.80

Finding the Fourth Proportional to 91,001.20, 125,579.76 and 50,714.80

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Solution

The fourth proportional to 91,001.20, 125,579.76 and 50,714.80 is: 69,985.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,001.20 : 125,579.76 = 50,714.80 : x
  2. Step 2: Convert to fraction form
    91,001.20/125,579.76 = 50,714.80/x
  3. Step 3: Cross multiply
    91,001.20x = 125,579.76 × 50,714.80
  4. Step 4: Simplify right side
    91,001.20x = 6,368,752,412.45
  5. Step 5: Solve for x
    x = 6,368,752,412.45/91,001.20
  6. Step 6: Final answer
    x = 69,985.37

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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.