Home / 65,314.17-90,127.78-36,243.27

Finding the Fourth Proportional to 65,314.17, 90,127.78 and 36,243.27

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Solution

The fourth proportional to 65,314.17, 90,127.78 and 36,243.27 is: 50,012.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,314.17 : 90,127.78 = 36,243.27 : x
  2. Step 2: Convert to fraction form
    65,314.17/90,127.78 = 36,243.27/x
  3. Step 3: Cross multiply
    65,314.17x = 90,127.78 × 36,243.27
  4. Step 4: Simplify right side
    65,314.17x = 3,266,525,465.04
  5. Step 5: Solve for x
    x = 3,266,525,465.04/65,314.17
  6. Step 6: Final answer
    x = 50,012.51

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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.