Home / 84,869.29-127,325.56-39,881.91

Finding the Fourth Proportional to 84,869.29, 127,325.56 and 39,881.91

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Solution

The fourth proportional to 84,869.29, 127,325.56 and 39,881.91 is: 59,833.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,869.29 : 127,325.56 = 39,881.91 : x
  2. Step 2: Convert to fraction form
    84,869.29/127,325.56 = 39,881.91/x
  3. Step 3: Cross multiply
    84,869.29x = 127,325.56 × 39,881.91
  4. Step 4: Simplify right side
    84,869.29x = 5,077,986,491.78
  5. Step 5: Solve for x
    x = 5,077,986,491.78/84,869.29
  6. Step 6: Final answer
    x = 59,833.03

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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.