Home / 40,775.40-61,135.56-14,114.52

Finding the Fourth Proportional to 40,775.40, 61,135.56 and 14,114.52

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Solution

The fourth proportional to 40,775.40, 61,135.56 and 14,114.52 is: 21,162.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,775.40 : 61,135.56 = 14,114.52 : x
  2. Step 2: Convert to fraction form
    40,775.40/61,135.56 = 14,114.52/x
  3. Step 3: Cross multiply
    40,775.40x = 61,135.56 × 14,114.52
  4. Step 4: Simplify right side
    40,775.40x = 862,899,084.33
  5. Step 5: Solve for x
    x = 862,899,084.33/40,775.40
  6. Step 6: Final answer
    x = 21,162.25

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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.