Home / 65,871.08-90,954.48-60,833.46

Finding the Fourth Proportional to 65,871.08, 90,954.48 and 60,833.46

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Solution

The fourth proportional to 65,871.08, 90,954.48 and 60,833.46 is: 83,998.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,871.08 : 90,954.48 = 60,833.46 : x
  2. Step 2: Convert to fraction form
    65,871.08/90,954.48 = 60,833.46/x
  3. Step 3: Cross multiply
    65,871.08x = 90,954.48 × 60,833.46
  4. Step 4: Simplify right side
    65,871.08x = 5,533,075,720.90
  5. Step 5: Solve for x
    x = 5,533,075,720.90/65,871.08
  6. Step 6: Final answer
    x = 83,998.56

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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.