Home / 92,304.06-138,406.74-47,820.48

Finding the Fourth Proportional to 92,304.06, 138,406.74 and 47,820.48

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Solution

The fourth proportional to 92,304.06, 138,406.74 and 47,820.48 is: 71,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,304.06 : 138,406.74 = 47,820.48 : x
  2. Step 2: Convert to fraction form
    92,304.06/138,406.74 = 47,820.48/x
  3. Step 3: Cross multiply
    92,304.06x = 138,406.74 × 47,820.48
  4. Step 4: Simplify right side
    92,304.06x = 6,618,676,742.04
  5. Step 5: Solve for x
    x = 6,618,676,742.04/92,304.06
  6. Step 6: Final answer
    x = 71,705.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.