Home / 54,209.34-81,313.50-42,373.08

Finding the Fourth Proportional to 54,209.34, 81,313.50 and 42,373.08

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Solution

The fourth proportional to 54,209.34, 81,313.50 and 42,373.08 is: 63,559.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,209.34 : 81,313.50 = 42,373.08 : x
  2. Step 2: Convert to fraction form
    54,209.34/81,313.50 = 42,373.08/x
  3. Step 3: Cross multiply
    54,209.34x = 81,313.50 × 42,373.08
  4. Step 4: Simplify right side
    54,209.34x = 3,445,503,440.58
  5. Step 5: Solve for x
    x = 3,445,503,440.58/54,209.34
  6. Step 6: Final answer
    x = 63,559.22

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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.