Home / 43,652.22-65,111.12-42,340.38

Finding the Fourth Proportional to 43,652.22, 65,111.12 and 42,340.38

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Solution

The fourth proportional to 43,652.22, 65,111.12 and 42,340.38 is: 63,154.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,652.22 : 65,111.12 = 42,340.38 : x
  2. Step 2: Convert to fraction form
    43,652.22/65,111.12 = 42,340.38/x
  3. Step 3: Cross multiply
    43,652.22x = 65,111.12 × 42,340.38
  4. Step 4: Simplify right side
    43,652.22x = 2,756,829,351.32
  5. Step 5: Solve for x
    x = 2,756,829,351.32/43,652.22
  6. Step 6: Final answer
    x = 63,154.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.