Home / 65,899.85-90,943.32-37,608.17

Finding the Fourth Proportional to 65,899.85, 90,943.32 and 37,608.17

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Solution

The fourth proportional to 65,899.85, 90,943.32 and 37,608.17 is: 51,900.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,899.85 : 90,943.32 = 37,608.17 : x
  2. Step 2: Convert to fraction form
    65,899.85/90,943.32 = 37,608.17/x
  3. Step 3: Cross multiply
    65,899.85x = 90,943.32 × 37,608.17
  4. Step 4: Simplify right side
    65,899.85x = 3,420,211,838.92
  5. Step 5: Solve for x
    x = 3,420,211,838.92/65,899.85
  6. Step 6: Final answer
    x = 51,900.15

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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.