Home / 74,948.65-112,367.37-45,359.45

Finding the Fourth Proportional to 74,948.65, 112,367.37 and 45,359.45

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Solution

The fourth proportional to 74,948.65, 112,367.37 and 45,359.45 is: 68,005.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,948.65 : 112,367.37 = 45,359.45 : x
  2. Step 2: Convert to fraction form
    74,948.65/112,367.37 = 45,359.45/x
  3. Step 3: Cross multiply
    74,948.65x = 112,367.37 × 45,359.45
  4. Step 4: Simplify right side
    74,948.65x = 5,096,921,874.35
  5. Step 5: Solve for x
    x = 5,096,921,874.35/74,948.65
  6. Step 6: Final answer
    x = 68,005.52

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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.