Home / 86,691.38-119,634.23-46,947.38

Finding the Fourth Proportional to 86,691.38, 119,634.23 and 46,947.38

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Solution

The fourth proportional to 86,691.38, 119,634.23 and 46,947.38 is: 64,787.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,691.38 : 119,634.23 = 46,947.38 : x
  2. Step 2: Convert to fraction form
    86,691.38/119,634.23 = 46,947.38/x
  3. Step 3: Cross multiply
    86,691.38x = 119,634.23 × 46,947.38
  4. Step 4: Simplify right side
    86,691.38x = 5,616,513,176.01
  5. Step 5: Solve for x
    x = 5,616,513,176.01/86,691.38
  6. Step 6: Final answer
    x = 64,787.45

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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.