Home / 74,933.17-112,397.15-18,773.75

Finding the Fourth Proportional to 74,933.17, 112,397.15 and 18,773.75

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Solution

The fourth proportional to 74,933.17, 112,397.15 and 18,773.75 is: 28,159.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,933.17 : 112,397.15 = 18,773.75 : x
  2. Step 2: Convert to fraction form
    74,933.17/112,397.15 = 18,773.75/x
  3. Step 3: Cross multiply
    74,933.17x = 112,397.15 × 18,773.75
  4. Step 4: Simplify right side
    74,933.17x = 2,110,116,322.74
  5. Step 5: Solve for x
    x = 2,110,116,322.74/74,933.17
  6. Step 6: Final answer
    x = 28,159.98

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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.