Home / 69,720.65-96,215.24-37,889.55

Finding the Fourth Proportional to 69,720.65, 96,215.24 and 37,889.55

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Solution

The fourth proportional to 69,720.65, 96,215.24 and 37,889.55 is: 52,287.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,720.65 : 96,215.24 = 37,889.55 : x
  2. Step 2: Convert to fraction form
    69,720.65/96,215.24 = 37,889.55/x
  3. Step 3: Cross multiply
    69,720.65x = 96,215.24 × 37,889.55
  4. Step 4: Simplify right side
    69,720.65x = 3,645,551,970.86
  5. Step 5: Solve for x
    x = 3,645,551,970.86/69,720.65
  6. Step 6: Final answer
    x = 52,287.98

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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.