Home / 63,027.19-86,979.34-34,734.70

Finding the Fourth Proportional to 63,027.19, 86,979.34 and 34,734.70

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Solution

The fourth proportional to 63,027.19, 86,979.34 and 34,734.70 is: 47,934.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,027.19 : 86,979.34 = 34,734.70 : x
  2. Step 2: Convert to fraction form
    63,027.19/86,979.34 = 34,734.70/x
  3. Step 3: Cross multiply
    63,027.19x = 86,979.34 × 34,734.70
  4. Step 4: Simplify right side
    63,027.19x = 3,021,201,107.07
  5. Step 5: Solve for x
    x = 3,021,201,107.07/63,027.19
  6. Step 6: Final answer
    x = 47,934.89

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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.