Home / 69,387.57-95,705.45-47,885.51

Finding the Fourth Proportional to 69,387.57, 95,705.45 and 47,885.51

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Solution

The fourth proportional to 69,387.57, 95,705.45 and 47,885.51 is: 66,047.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,387.57 : 95,705.45 = 47,885.51 : x
  2. Step 2: Convert to fraction form
    69,387.57/95,705.45 = 47,885.51/x
  3. Step 3: Cross multiply
    69,387.57x = 95,705.45 × 47,885.51
  4. Step 4: Simplify right side
    69,387.57x = 4,582,904,462.44
  5. Step 5: Solve for x
    x = 4,582,904,462.44/69,387.57
  6. Step 6: Final answer
    x = 66,047.92

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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.