Home / 82,896.90-124,312.53-36,117.06

Finding the Fourth Proportional to 82,896.90, 124,312.53 and 36,117.06

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Solution

The fourth proportional to 82,896.90, 124,312.53 and 36,117.06 is: 54,161.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,896.90 : 124,312.53 = 36,117.06 : x
  2. Step 2: Convert to fraction form
    82,896.90/124,312.53 = 36,117.06/x
  3. Step 3: Cross multiply
    82,896.90x = 124,312.53 × 36,117.06
  4. Step 4: Simplify right side
    82,896.90x = 4,489,803,104.76
  5. Step 5: Solve for x
    x = 4,489,803,104.76/82,896.90
  6. Step 6: Final answer
    x = 54,161.29

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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.