Home / 75,663.18-113,503.01-28,301.00

Finding the Fourth Proportional to 75,663.18, 113,503.01 and 28,301.00

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Solution

The fourth proportional to 75,663.18, 113,503.01 and 28,301.00 is: 42,454.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,663.18 : 113,503.01 = 28,301.00 : x
  2. Step 2: Convert to fraction form
    75,663.18/113,503.01 = 28,301.00/x
  3. Step 3: Cross multiply
    75,663.18x = 113,503.01 × 28,301.00
  4. Step 4: Simplify right side
    75,663.18x = 3,212,247,976.99
  5. Step 5: Solve for x
    x = 3,212,247,976.99/75,663.18
  6. Step 6: Final answer
    x = 42,454.57

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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.