Home / 69,082.02-103,623.02-19,162.12

Finding the Fourth Proportional to 69,082.02, 103,623.02 and 19,162.12

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Solution

The fourth proportional to 69,082.02, 103,623.02 and 19,162.12 is: 28,743.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,082.02 : 103,623.02 = 19,162.12 : x
  2. Step 2: Convert to fraction form
    69,082.02/103,623.02 = 19,162.12/x
  3. Step 3: Cross multiply
    69,082.02x = 103,623.02 × 19,162.12
  4. Step 4: Simplify right side
    69,082.02x = 1,985,636,744.00
  5. Step 5: Solve for x
    x = 1,985,636,744.00/69,082.02
  6. Step 6: Final answer
    x = 28,743.18

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1.5x scale

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.