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Finding the Fourth Proportional to 43,454.10, 61,010.70 and 43,454.10

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Solution

The fourth proportional to 43,454.10, 61,010.70 and 43,454.10 is: 61,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,454.10 : 61,010.70 = 43,454.10 : x
  2. Step 2: Convert to fraction form
    43,454.10/61,010.70 = 43,454.10/x
  3. Step 3: Cross multiply
    43,454.10x = 61,010.70 × 43,454.10
  4. Step 4: Simplify right side
    43,454.10x = 2,651,165,058.87
  5. Step 5: Solve for x
    x = 2,651,165,058.87/43,454.10
  6. Step 6: Final answer
    x = 61,010.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.