Home / 63,539.92-87,686.38-38,047.40

Finding the Fourth Proportional to 63,539.92, 87,686.38 and 38,047.40

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Solution

The fourth proportional to 63,539.92, 87,686.38 and 38,047.40 is: 52,506.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,539.92 : 87,686.38 = 38,047.40 : x
  2. Step 2: Convert to fraction form
    63,539.92/87,686.38 = 38,047.40/x
  3. Step 3: Cross multiply
    63,539.92x = 87,686.38 × 38,047.40
  4. Step 4: Simplify right side
    63,539.92x = 3,336,238,774.41
  5. Step 5: Solve for x
    x = 3,336,238,774.41/63,539.92
  6. Step 6: Final answer
    x = 52,506.18

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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.