Home / 69,338.19-95,689.05-42,109.59

Finding the Fourth Proportional to 69,338.19, 95,689.05 and 42,109.59

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Solution

The fourth proportional to 69,338.19, 95,689.05 and 42,109.59 is: 58,112.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,338.19 : 95,689.05 = 42,109.59 : x
  2. Step 2: Convert to fraction form
    69,338.19/95,689.05 = 42,109.59/x
  3. Step 3: Cross multiply
    69,338.19x = 95,689.05 × 42,109.59
  4. Step 4: Simplify right side
    69,338.19x = 4,029,426,662.99
  5. Step 5: Solve for x
    x = 4,029,426,662.99/69,338.19
  6. Step 6: Final answer
    x = 58,112.66

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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.