Home / 90,769.08-125,242.92-53,036.04

Finding the Fourth Proportional to 90,769.08, 125,242.92 and 53,036.04

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Solution

The fourth proportional to 90,769.08, 125,242.92 and 53,036.04 is: 73,178.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,769.08 : 125,242.92 = 53,036.04 : x
  2. Step 2: Convert to fraction form
    90,769.08/125,242.92 = 53,036.04/x
  3. Step 3: Cross multiply
    90,769.08x = 125,242.92 × 53,036.04
  4. Step 4: Simplify right side
    90,769.08x = 6,642,388,514.84
  5. Step 5: Solve for x
    x = 6,642,388,514.84/90,769.08
  6. Step 6: Final answer
    x = 73,178.98

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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.