Home / 86,869.26-130,521.51-55,292.76

Finding the Fourth Proportional to 86,869.26, 130,521.51 and 55,292.76

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Solution

The fourth proportional to 86,869.26, 130,521.51 and 55,292.76 is: 83,077.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,869.26 : 130,521.51 = 55,292.76 : x
  2. Step 2: Convert to fraction form
    86,869.26/130,521.51 = 55,292.76/x
  3. Step 3: Cross multiply
    86,869.26x = 130,521.51 × 55,292.76
  4. Step 4: Simplify right side
    86,869.26x = 7,216,894,527.27
  5. Step 5: Solve for x
    x = 7,216,894,527.27/86,869.26
  6. Step 6: Final answer
    x = 83,077.66

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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.