Home / 74,965.39-103,452.01-40,973.87

Finding the Fourth Proportional to 74,965.39, 103,452.01 and 40,973.87

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Solution

The fourth proportional to 74,965.39, 103,452.01 and 40,973.87 is: 56,543.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,965.39 : 103,452.01 = 40,973.87 : x
  2. Step 2: Convert to fraction form
    74,965.39/103,452.01 = 40,973.87/x
  3. Step 3: Cross multiply
    74,965.39x = 103,452.01 × 40,973.87
  4. Step 4: Simplify right side
    74,965.39x = 4,238,829,365.17
  5. Step 5: Solve for x
    x = 4,238,829,365.17/74,965.39
  6. Step 6: Final answer
    x = 56,543.82

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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.