Home / 65,953.25-91,139.69-50,008.13

Finding the Fourth Proportional to 65,953.25, 91,139.69 and 50,008.13

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Solution

The fourth proportional to 65,953.25, 91,139.69 and 50,008.13 is: 69,105.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,953.25 : 91,139.69 = 50,008.13 : x
  2. Step 2: Convert to fraction form
    65,953.25/91,139.69 = 50,008.13/x
  3. Step 3: Cross multiply
    65,953.25x = 91,139.69 × 50,008.13
  4. Step 4: Simplify right side
    65,953.25x = 4,557,725,215.64
  5. Step 5: Solve for x
    x = 4,557,725,215.64/65,953.25
  6. Step 6: Final answer
    x = 69,105.39

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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.