Home / 66,632.85-91,953.34-36,418.16

Finding the Fourth Proportional to 66,632.85, 91,953.34 and 36,418.16

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Solution

The fourth proportional to 66,632.85, 91,953.34 and 36,418.16 is: 50,257.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,632.85 : 91,953.34 = 36,418.16 : x
  2. Step 2: Convert to fraction form
    66,632.85/91,953.34 = 36,418.16/x
  3. Step 3: Cross multiply
    66,632.85x = 91,953.34 × 36,418.16
  4. Step 4: Simplify right side
    66,632.85x = 3,348,771,587.49
  5. Step 5: Solve for x
    x = 3,348,771,587.49/66,632.85
  6. Step 6: Final answer
    x = 50,257.07

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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.