Home / 74,750.40-112,123.16-30,364.02

Finding the Fourth Proportional to 74,750.40, 112,123.16 and 30,364.02

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Solution

The fourth proportional to 74,750.40, 112,123.16 and 30,364.02 is: 45,545.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,750.40 : 112,123.16 = 30,364.02 : x
  2. Step 2: Convert to fraction form
    74,750.40/112,123.16 = 30,364.02/x
  3. Step 3: Cross multiply
    74,750.40x = 112,123.16 × 30,364.02
  4. Step 4: Simplify right side
    74,750.40x = 3,404,509,872.70
  5. Step 5: Solve for x
    x = 3,404,509,872.70/74,750.40
  6. Step 6: Final answer
    x = 45,545.04

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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.