Home / 84,911.22-127,322.91-38,124.18

Finding the Fourth Proportional to 84,911.22, 127,322.91 and 38,124.18

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Solution

The fourth proportional to 84,911.22, 127,322.91 and 38,124.18 is: 57,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,911.22 : 127,322.91 = 38,124.18 : x
  2. Step 2: Convert to fraction form
    84,911.22/127,322.91 = 38,124.18/x
  3. Step 3: Cross multiply
    84,911.22x = 127,322.91 × 38,124.18
  4. Step 4: Simplify right side
    84,911.22x = 4,854,081,538.96
  5. Step 5: Solve for x
    x = 4,854,081,538.96/84,911.22
  6. Step 6: Final answer
    x = 57,166.55

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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.