Home / 80,643.35-111,281.51-44,831.18

Finding the Fourth Proportional to 80,643.35, 111,281.51 and 44,831.18

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Solution

The fourth proportional to 80,643.35, 111,281.51 and 44,831.18 is: 61,863.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,643.35 : 111,281.51 = 44,831.18 : x
  2. Step 2: Convert to fraction form
    80,643.35/111,281.51 = 44,831.18/x
  3. Step 3: Cross multiply
    80,643.35x = 111,281.51 × 44,831.18
  4. Step 4: Simplify right side
    80,643.35x = 4,988,880,624.92
  5. Step 5: Solve for x
    x = 4,988,880,624.92/80,643.35
  6. Step 6: Final answer
    x = 61,863.51

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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.