Home / 69,816.78-96,349.01-37,987.65

Finding the Fourth Proportional to 69,816.78, 96,349.01 and 37,987.65

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Solution

The fourth proportional to 69,816.78, 96,349.01 and 37,987.65 is: 52,423.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,816.78 : 96,349.01 = 37,987.65 : x
  2. Step 2: Convert to fraction form
    69,816.78/96,349.01 = 37,987.65/x
  3. Step 3: Cross multiply
    69,816.78x = 96,349.01 × 37,987.65
  4. Step 4: Simplify right side
    69,816.78x = 3,660,072,279.79
  5. Step 5: Solve for x
    x = 3,660,072,279.79/69,816.78
  6. Step 6: Final answer
    x = 52,423.96

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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.