Home / 69,178.68-95,473.76-42,339.06

Finding the Fourth Proportional to 69,178.68, 95,473.76 and 42,339.06

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Solution

The fourth proportional to 69,178.68, 95,473.76 and 42,339.06 is: 58,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,178.68 : 95,473.76 = 42,339.06 : x
  2. Step 2: Convert to fraction form
    69,178.68/95,473.76 = 42,339.06/x
  3. Step 3: Cross multiply
    69,178.68x = 95,473.76 × 42,339.06
  4. Step 4: Simplify right side
    69,178.68x = 4,042,269,041.37
  5. Step 5: Solve for x
    x = 4,042,269,041.37/69,178.68
  6. Step 6: Final answer
    x = 58,432.30

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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.