Home / 77,267.08-115,864.89-35,145.46

Finding the Fourth Proportional to 77,267.08, 115,864.89 and 35,145.46

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Solution

The fourth proportional to 77,267.08, 115,864.89 and 35,145.46 is: 52,701.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,267.08 : 115,864.89 = 35,145.46 : x
  2. Step 2: Convert to fraction form
    77,267.08/115,864.89 = 35,145.46/x
  3. Step 3: Cross multiply
    77,267.08x = 115,864.89 × 35,145.46
  4. Step 4: Simplify right side
    77,267.08x = 4,072,124,856.90
  5. Step 5: Solve for x
    x = 4,072,124,856.90/77,267.08
  6. Step 6: Final answer
    x = 52,701.94

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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.