Home / 74,319.17-111,511.76-30,032.42

Finding the Fourth Proportional to 74,319.17, 111,511.76 and 30,032.42

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Solution

The fourth proportional to 74,319.17, 111,511.76 and 30,032.42 is: 45,061.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,319.17 : 111,511.76 = 30,032.42 : x
  2. Step 2: Convert to fraction form
    74,319.17/111,511.76 = 30,032.42/x
  3. Step 3: Cross multiply
    74,319.17x = 111,511.76 × 30,032.42
  4. Step 4: Simplify right side
    74,319.17x = 3,348,967,303.54
  5. Step 5: Solve for x
    x = 3,348,967,303.54/74,319.17
  6. Step 6: Final answer
    x = 45,061.96

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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.