Home / 60,246.10-90,369.15-18,693.10

Finding the Fourth Proportional to 60,246.10, 90,369.15 and 18,693.10

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Solution

The fourth proportional to 60,246.10, 90,369.15 and 18,693.10 is: 28,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,246.10 : 90,369.15 = 18,693.10 : x
  2. Step 2: Convert to fraction form
    60,246.10/90,369.15 = 18,693.10/x
  3. Step 3: Cross multiply
    60,246.10x = 90,369.15 × 18,693.10
  4. Step 4: Simplify right side
    60,246.10x = 1,689,279,557.87
  5. Step 5: Solve for x
    x = 1,689,279,557.87/60,246.10
  6. Step 6: Final answer
    x = 28,039.65

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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.