Home / 80,810.08-111,514.80-45,001.60

Finding the Fourth Proportional to 80,810.08, 111,514.80 and 45,001.60

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Solution

The fourth proportional to 80,810.08, 111,514.80 and 45,001.60 is: 62,100.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,810.08 : 111,514.80 = 45,001.60 : x
  2. Step 2: Convert to fraction form
    80,810.08/111,514.80 = 45,001.60/x
  3. Step 3: Cross multiply
    80,810.08x = 111,514.80 × 45,001.60
  4. Step 4: Simplify right side
    80,810.08x = 5,018,344,423.68
  5. Step 5: Solve for x
    x = 5,018,344,423.68/80,810.08
  6. Step 6: Final answer
    x = 62,100.48

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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.