Home / 68,422.01-94,421.48-38,207.86

Finding the Fourth Proportional to 68,422.01, 94,421.48 and 38,207.86

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Solution

The fourth proportional to 68,422.01, 94,421.48 and 38,207.86 is: 52,726.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,422.01 : 94,421.48 = 38,207.86 : x
  2. Step 2: Convert to fraction form
    68,422.01/94,421.48 = 38,207.86/x
  3. Step 3: Cross multiply
    68,422.01x = 94,421.48 × 38,207.86
  4. Step 4: Simplify right side
    68,422.01x = 3,607,642,261.74
  5. Step 5: Solve for x
    x = 3,607,642,261.74/68,422.01
  6. Step 6: Final answer
    x = 52,726.35

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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.