Home / 63,618.12-87,801.06-38,467.56

Finding the Fourth Proportional to 63,618.12, 87,801.06 and 38,467.56

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Solution

The fourth proportional to 63,618.12, 87,801.06 and 38,467.56 is: 53,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,618.12 : 87,801.06 = 38,467.56 : x
  2. Step 2: Convert to fraction form
    63,618.12/87,801.06 = 38,467.56/x
  3. Step 3: Cross multiply
    63,618.12x = 87,801.06 × 38,467.56
  4. Step 4: Simplify right side
    63,618.12x = 3,377,492,543.61
  5. Step 5: Solve for x
    x = 3,377,492,543.61/63,618.12
  6. Step 6: Final answer
    x = 53,090.10

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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.