Home / 76,880.64-115,320.28-24,290.13

Finding the Fourth Proportional to 76,880.64, 115,320.28 and 24,290.13

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Solution

The fourth proportional to 76,880.64, 115,320.28 and 24,290.13 is: 36,434.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,880.64 : 115,320.28 = 24,290.13 : x
  2. Step 2: Convert to fraction form
    76,880.64/115,320.28 = 24,290.13/x
  3. Step 3: Cross multiply
    76,880.64x = 115,320.28 × 24,290.13
  4. Step 4: Simplify right side
    76,880.64x = 2,801,144,592.84
  5. Step 5: Solve for x
    x = 2,801,144,592.84/76,880.64
  6. Step 6: Final answer
    x = 36,434.98

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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.