Home / 75,094.40-112,605.16-28,350.96

Finding the Fourth Proportional to 75,094.40, 112,605.16 and 28,350.96

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Solution

The fourth proportional to 75,094.40, 112,605.16 and 28,350.96 is: 42,512.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,094.40 : 112,605.16 = 28,350.96 : x
  2. Step 2: Convert to fraction form
    75,094.40/112,605.16 = 28,350.96/x
  3. Step 3: Cross multiply
    75,094.40x = 112,605.16 × 28,350.96
  4. Step 4: Simplify right side
    75,094.40x = 3,192,464,386.95
  5. Step 5: Solve for x
    x = 3,192,464,386.95/75,094.40
  6. Step 6: Final answer
    x = 42,512.68

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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.