Home / 69,064.14-103,585.95-19,139.03

Finding the Fourth Proportional to 69,064.14, 103,585.95 and 19,139.03

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Solution

The fourth proportional to 69,064.14, 103,585.95 and 19,139.03 is: 28,705.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,064.14 : 103,585.95 = 19,139.03 : x
  2. Step 2: Convert to fraction form
    69,064.14/103,585.95 = 19,139.03/x
  3. Step 3: Cross multiply
    69,064.14x = 103,585.95 × 19,139.03
  4. Step 4: Simplify right side
    69,064.14x = 1,982,534,652.48
  5. Step 5: Solve for x
    x = 1,982,534,652.48/69,064.14
  6. Step 6: Final answer
    x = 28,705.70

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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.