Home / 65,236.47-90,022.02-36,551.13

Finding the Fourth Proportional to 65,236.47, 90,022.02 and 36,551.13

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Solution

The fourth proportional to 65,236.47, 90,022.02 and 36,551.13 is: 50,438.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,236.47 : 90,022.02 = 36,551.13 : x
  2. Step 2: Convert to fraction form
    65,236.47/90,022.02 = 36,551.13/x
  3. Step 3: Cross multiply
    65,236.47x = 90,022.02 × 36,551.13
  4. Step 4: Simplify right side
    65,236.47x = 3,290,406,555.88
  5. Step 5: Solve for x
    x = 3,290,406,555.88/65,236.47
  6. Step 6: Final answer
    x = 50,438.15

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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.