Home / 69,900.86-96,463.68-38,069.12

Finding the Fourth Proportional to 69,900.86, 96,463.68 and 38,069.12

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Solution

The fourth proportional to 69,900.86, 96,463.68 and 38,069.12 is: 52,535.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,900.86 : 96,463.68 = 38,069.12 : x
  2. Step 2: Convert to fraction form
    69,900.86/96,463.68 = 38,069.12/x
  3. Step 3: Cross multiply
    69,900.86x = 96,463.68 × 38,069.12
  4. Step 4: Simplify right side
    69,900.86x = 3,672,287,409.56
  5. Step 5: Solve for x
    x = 3,672,287,409.56/69,900.86
  6. Step 6: Final answer
    x = 52,535.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.