Home / 65,195.48-89,983.77-39,710.23

Finding the Fourth Proportional to 65,195.48, 89,983.77 and 39,710.23

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Solution

The fourth proportional to 65,195.48, 89,983.77 and 39,710.23 is: 54,808.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,195.48 : 89,983.77 = 39,710.23 : x
  2. Step 2: Convert to fraction form
    65,195.48/89,983.77 = 39,710.23/x
  3. Step 3: Cross multiply
    65,195.48x = 89,983.77 × 39,710.23
  4. Step 4: Simplify right side
    65,195.48x = 3,573,276,202.97
  5. Step 5: Solve for x
    x = 3,573,276,202.97/65,195.48
  6. Step 6: Final answer
    x = 54,808.65

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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.