Home / 61,147.10-91,720.65-26,155.10

Finding the Fourth Proportional to 61,147.10, 91,720.65 and 26,155.10

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Solution

The fourth proportional to 61,147.10, 91,720.65 and 26,155.10 is: 39,232.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,147.10 : 91,720.65 = 26,155.10 : x
  2. Step 2: Convert to fraction form
    61,147.10/91,720.65 = 26,155.10/x
  3. Step 3: Cross multiply
    61,147.10x = 91,720.65 × 26,155.10
  4. Step 4: Simplify right side
    61,147.10x = 2,398,962,772.82
  5. Step 5: Solve for x
    x = 2,398,962,772.82/61,147.10
  6. Step 6: Final answer
    x = 39,232.65

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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.