Home / 86,769.14-130,005.17-47,353.94

Finding the Fourth Proportional to 86,769.14, 130,005.17 and 47,353.94

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Solution

The fourth proportional to 86,769.14, 130,005.17 and 47,353.94 is: 70,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,769.14 : 130,005.17 = 47,353.94 : x
  2. Step 2: Convert to fraction form
    86,769.14/130,005.17 = 47,353.94/x
  3. Step 3: Cross multiply
    86,769.14x = 130,005.17 × 47,353.94
  4. Step 4: Simplify right side
    86,769.14x = 6,156,256,133.07
  5. Step 5: Solve for x
    x = 6,156,256,133.07/86,769.14
  6. Step 6: Final answer
    x = 70,949.84

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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.