Home / 62,939.27-86,856.21-34,644.75

Finding the Fourth Proportional to 62,939.27, 86,856.21 and 34,644.75

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Solution

The fourth proportional to 62,939.27, 86,856.21 and 34,644.75 is: 47,809.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,939.27 : 86,856.21 = 34,644.75 : x
  2. Step 2: Convert to fraction form
    62,939.27/86,856.21 = 34,644.75/x
  3. Step 3: Cross multiply
    62,939.27x = 86,856.21 × 34,644.75
  4. Step 4: Simplify right side
    62,939.27x = 3,009,111,681.40
  5. Step 5: Solve for x
    x = 3,009,111,681.40/62,939.27
  6. Step 6: Final answer
    x = 47,809.77

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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.