Home / 77,289.12-115,926.39-24,689.34

Finding the Fourth Proportional to 77,289.12, 115,926.39 and 24,689.34

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Solution

The fourth proportional to 77,289.12, 115,926.39 and 24,689.34 is: 37,031.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,289.12 : 115,926.39 = 24,689.34 : x
  2. Step 2: Convert to fraction form
    77,289.12/115,926.39 = 24,689.34/x
  3. Step 3: Cross multiply
    77,289.12x = 115,926.39 × 24,689.34
  4. Step 4: Simplify right side
    77,289.12x = 2,862,146,057.68
  5. Step 5: Solve for x
    x = 2,862,146,057.68/77,289.12
  6. Step 6: Final answer
    x = 37,031.68

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1.5x scale

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.