Home / 65,518.17-90,415.16-37,229.33

Finding the Fourth Proportional to 65,518.17, 90,415.16 and 37,229.33

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Solution

The fourth proportional to 65,518.17, 90,415.16 and 37,229.33 is: 51,376.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,518.17 : 90,415.16 = 37,229.33 : x
  2. Step 2: Convert to fraction form
    65,518.17/90,415.16 = 37,229.33/x
  3. Step 3: Cross multiply
    65,518.17x = 90,415.16 × 37,229.33
  4. Step 4: Simplify right side
    65,518.17x = 3,366,095,190.42
  5. Step 5: Solve for x
    x = 3,366,095,190.42/65,518.17
  6. Step 6: Final answer
    x = 51,376.51

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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.