Home / 54,316.90-81,475.35-52,348.60

Finding the Fourth Proportional to 54,316.90, 81,475.35 and 52,348.60

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Solution

The fourth proportional to 54,316.90, 81,475.35 and 52,348.60 is: 78,522.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,316.90 : 81,475.35 = 52,348.60 : x
  2. Step 2: Convert to fraction form
    54,316.90/81,475.35 = 52,348.60/x
  3. Step 3: Cross multiply
    54,316.90x = 81,475.35 × 52,348.60
  4. Step 4: Simplify right side
    54,316.90x = 4,265,120,507.01
  5. Step 5: Solve for x
    x = 4,265,120,507.01/54,316.90
  6. Step 6: Final answer
    x = 78,522.90

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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.