Home / 102,535.38-141,499.26-57,215.34

Finding the Fourth Proportional to 102,535.38, 141,499.26 and 57,215.34

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Solution

The fourth proportional to 102,535.38, 141,499.26 and 57,215.34 is: 78,957.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,535.38 : 141,499.26 = 57,215.34 : x
  2. Step 2: Convert to fraction form
    102,535.38/141,499.26 = 57,215.34/x
  3. Step 3: Cross multiply
    102,535.38x = 141,499.26 × 57,215.34
  4. Step 4: Simplify right side
    102,535.38x = 8,095,928,270.65
  5. Step 5: Solve for x
    x = 8,095,928,270.65/102,535.38
  6. Step 6: Final answer
    x = 78,957.41

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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.