Home / 65,868.97-90,899.95-36,798.28

Finding the Fourth Proportional to 65,868.97, 90,899.95 and 36,798.28

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Solution

The fourth proportional to 65,868.97, 90,899.95 and 36,798.28 is: 50,782.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,868.97 : 90,899.95 = 36,798.28 : x
  2. Step 2: Convert to fraction form
    65,868.97/90,899.95 = 36,798.28/x
  3. Step 3: Cross multiply
    65,868.97x = 90,899.95 × 36,798.28
  4. Step 4: Simplify right side
    65,868.97x = 3,344,961,812.09
  5. Step 5: Solve for x
    x = 3,344,961,812.09/65,868.97
  6. Step 6: Final answer
    x = 50,782.06

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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.