Home / 110,354.25-152,278.34-61,945.10

Finding the Fourth Proportional to 110,354.25, 152,278.34 and 61,945.10

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Solution

The fourth proportional to 110,354.25, 152,278.34 and 61,945.10 is: 85,478.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,354.25 : 152,278.34 = 61,945.10 : x
  2. Step 2: Convert to fraction form
    110,354.25/152,278.34 = 61,945.10/x
  3. Step 3: Cross multiply
    110,354.25x = 152,278.34 × 61,945.10
  4. Step 4: Simplify right side
    110,354.25x = 9,432,895,928.02
  5. Step 5: Solve for x
    x = 9,432,895,928.02/110,354.25
  6. Step 6: Final answer
    x = 85,478.32

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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.