Home / 65,323.11-90,143.34-37,028.19

Finding the Fourth Proportional to 65,323.11, 90,143.34 and 37,028.19

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Solution

The fourth proportional to 65,323.11, 90,143.34 and 37,028.19 is: 51,097.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,323.11 : 90,143.34 = 37,028.19 : x
  2. Step 2: Convert to fraction form
    65,323.11/90,143.34 = 37,028.19/x
  3. Step 3: Cross multiply
    65,323.11x = 90,143.34 × 37,028.19
  4. Step 4: Simplify right side
    65,323.11x = 3,337,844,720.75
  5. Step 5: Solve for x
    x = 3,337,844,720.75/65,323.11
  6. Step 6: Final answer
    x = 51,097.46

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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.