Home / 63,731.31-87,948.67-35,436.75

Finding the Fourth Proportional to 63,731.31, 87,948.67 and 35,436.75

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Solution

The fourth proportional to 63,731.31, 87,948.67 and 35,436.75 is: 48,902.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,731.31 : 87,948.67 = 35,436.75 : x
  2. Step 2: Convert to fraction form
    63,731.31/87,948.67 = 35,436.75/x
  3. Step 3: Cross multiply
    63,731.31x = 87,948.67 × 35,436.75
  4. Step 4: Simplify right side
    63,731.31x = 3,116,615,031.62
  5. Step 5: Solve for x
    x = 3,116,615,031.62/63,731.31
  6. Step 6: Final answer
    x = 48,902.42

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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.