Home / 66,515.76-91,792.02-36,301.72

Finding the Fourth Proportional to 66,515.76, 91,792.02 and 36,301.72

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Solution

The fourth proportional to 66,515.76, 91,792.02 and 36,301.72 is: 50,096.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,515.76 : 91,792.02 = 36,301.72 : x
  2. Step 2: Convert to fraction form
    66,515.76/91,792.02 = 36,301.72/x
  3. Step 3: Cross multiply
    66,515.76x = 91,792.02 × 36,301.72
  4. Step 4: Simplify right side
    66,515.76x = 3,332,207,978.79
  5. Step 5: Solve for x
    x = 3,332,207,978.79/66,515.76
  6. Step 6: Final answer
    x = 50,096.52

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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.