Home / 69,164.28-103,664.40-62,111.20

Finding the Fourth Proportional to 69,164.28, 103,664.40 and 62,111.20

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Solution

The fourth proportional to 69,164.28, 103,664.40 and 62,111.20 is: 93,093.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,164.28 : 103,664.40 = 62,111.20 : x
  2. Step 2: Convert to fraction form
    69,164.28/103,664.40 = 62,111.20/x
  3. Step 3: Cross multiply
    69,164.28x = 103,664.40 × 62,111.20
  4. Step 4: Simplify right side
    69,164.28x = 6,438,720,281.28
  5. Step 5: Solve for x
    x = 6,438,720,281.28/69,164.28
  6. Step 6: Final answer
    x = 93,093.14

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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.