Home / 63,730.72-87,938.76-36,867.92

Finding the Fourth Proportional to 63,730.72, 87,938.76 and 36,867.92

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Solution

The fourth proportional to 63,730.72, 87,938.76 and 36,867.92 is: 50,872.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,730.72 : 87,938.76 = 36,867.92 : x
  2. Step 2: Convert to fraction form
    63,730.72/87,938.76 = 36,867.92/x
  3. Step 3: Cross multiply
    63,730.72x = 87,938.76 × 36,867.92
  4. Step 4: Simplify right side
    63,730.72x = 3,242,119,168.58
  5. Step 5: Solve for x
    x = 3,242,119,168.58/63,730.72
  6. Step 6: Final answer
    x = 50,872.16

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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.