Home / 55,410.64-83,140.32-29,109.28

Finding the Fourth Proportional to 55,410.64, 83,140.32 and 29,109.28

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Solution

The fourth proportional to 55,410.64, 83,140.32 and 29,109.28 is: 43,676.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,410.64 : 83,140.32 = 29,109.28 : x
  2. Step 2: Convert to fraction form
    55,410.64/83,140.32 = 29,109.28/x
  3. Step 3: Cross multiply
    55,410.64x = 83,140.32 × 29,109.28
  4. Step 4: Simplify right side
    55,410.64x = 2,420,154,854.17
  5. Step 5: Solve for x
    x = 2,420,154,854.17/55,410.64
  6. Step 6: Final answer
    x = 43,676.72

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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.