Home / 66,831.12-92,226.95-36,617.60

Finding the Fourth Proportional to 66,831.12, 92,226.95 and 36,617.60

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Solution

The fourth proportional to 66,831.12, 92,226.95 and 36,617.60 is: 50,532.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,831.12 : 92,226.95 = 36,617.60 : x
  2. Step 2: Convert to fraction form
    66,831.12/92,226.95 = 36,617.60/x
  3. Step 3: Cross multiply
    66,831.12x = 92,226.95 × 36,617.60
  4. Step 4: Simplify right side
    66,831.12x = 3,377,128,920.10
  5. Step 5: Solve for x
    x = 3,377,128,920.10/66,831.12
  6. Step 6: Final answer
    x = 50,532.28

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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.