Home / 86,960.59-130,434.51-27,780.37

Finding the Fourth Proportional to 86,960.59, 130,434.51 and 27,780.37

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Solution

The fourth proportional to 86,960.59, 130,434.51 and 27,780.37 is: 41,668.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,960.59 : 130,434.51 = 27,780.37 : x
  2. Step 2: Convert to fraction form
    86,960.59/130,434.51 = 27,780.37/x
  3. Step 3: Cross multiply
    86,960.59x = 130,434.51 × 27,780.37
  4. Step 4: Simplify right side
    86,960.59x = 3,623,518,948.57
  5. Step 5: Solve for x
    x = 3,623,518,948.57/86,960.59
  6. Step 6: Final answer
    x = 41,668.52

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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.