Home / 75,880.17-113,820.53-23,289.66

Finding the Fourth Proportional to 75,880.17, 113,820.53 and 23,289.66

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Solution

The fourth proportional to 75,880.17, 113,820.53 and 23,289.66 is: 34,934.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,880.17 : 113,820.53 = 23,289.66 : x
  2. Step 2: Convert to fraction form
    75,880.17/113,820.53 = 23,289.66/x
  3. Step 3: Cross multiply
    75,880.17x = 113,820.53 × 23,289.66
  4. Step 4: Simplify right side
    75,880.17x = 2,650,841,328.27
  5. Step 5: Solve for x
    x = 2,650,841,328.27/75,880.17
  6. Step 6: Final answer
    x = 34,934.57

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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.