Home / 65,520.15-90,389.35-41,634.01

Finding the Fourth Proportional to 65,520.15, 90,389.35 and 41,634.01

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Solution

The fourth proportional to 65,520.15, 90,389.35 and 41,634.01 is: 57,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,520.15 : 90,389.35 = 41,634.01 : x
  2. Step 2: Convert to fraction form
    65,520.15/90,389.35 = 41,634.01/x
  3. Step 3: Cross multiply
    65,520.15x = 90,389.35 × 41,634.01
  4. Step 4: Simplify right side
    65,520.15x = 3,763,271,266.82
  5. Step 5: Solve for x
    x = 3,763,271,266.82/65,520.15
  6. Step 6: Final answer
    x = 57,436.85

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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.