Home / 76,898.28-115,346.70-24,307.72

Finding the Fourth Proportional to 76,898.28, 115,346.70 and 24,307.72

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Solution

The fourth proportional to 76,898.28, 115,346.70 and 24,307.72 is: 36,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,898.28 : 115,346.70 = 24,307.72 : x
  2. Step 2: Convert to fraction form
    76,898.28/115,346.70 = 24,307.72/x
  3. Step 3: Cross multiply
    76,898.28x = 115,346.70 × 24,307.72
  4. Step 4: Simplify right side
    76,898.28x = 2,803,815,286.52
  5. Step 5: Solve for x
    x = 2,803,815,286.52/76,898.28
  6. Step 6: Final answer
    x = 36,461.35

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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.