Home / 74,838.59-112,191.87-30,502.43

Finding the Fourth Proportional to 74,838.59, 112,191.87 and 30,502.43

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Solution

The fourth proportional to 74,838.59, 112,191.87 and 30,502.43 is: 45,726.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,838.59 : 112,191.87 = 30,502.43 : x
  2. Step 2: Convert to fraction form
    74,838.59/112,191.87 = 30,502.43/x
  3. Step 3: Cross multiply
    74,838.59x = 112,191.87 × 30,502.43
  4. Step 4: Simplify right side
    74,838.59x = 3,422,124,941.72
  5. Step 5: Solve for x
    x = 3,422,124,941.72/74,838.59
  6. Step 6: Final answer
    x = 45,726.74

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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.