Home / 53,742.42-74,165.04-29,871.72

Finding the Fourth Proportional to 53,742.42, 74,165.04 and 29,871.72

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Solution

The fourth proportional to 53,742.42, 74,165.04 and 29,871.72 is: 41,223.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,742.42 : 74,165.04 = 29,871.72 : x
  2. Step 2: Convert to fraction form
    53,742.42/74,165.04 = 29,871.72/x
  3. Step 3: Cross multiply
    53,742.42x = 74,165.04 × 29,871.72
  4. Step 4: Simplify right side
    53,742.42x = 2,215,437,308.67
  5. Step 5: Solve for x
    x = 2,215,437,308.67/53,742.42
  6. Step 6: Final answer
    x = 41,223.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.