Home / 65,825.22-90,838.26-37,145.10

Finding the Fourth Proportional to 65,825.22, 90,838.26 and 37,145.10

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Solution

The fourth proportional to 65,825.22, 90,838.26 and 37,145.10 is: 51,259.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,825.22 : 90,838.26 = 37,145.10 : x
  2. Step 2: Convert to fraction form
    65,825.22/90,838.26 = 37,145.10/x
  3. Step 3: Cross multiply
    65,825.22x = 90,838.26 × 37,145.10
  4. Step 4: Simplify right side
    65,825.22x = 3,374,196,251.53
  5. Step 5: Solve for x
    x = 3,374,196,251.53/65,825.22
  6. Step 6: Final answer
    x = 51,259.93

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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.