Home / 80,430.58-111,007.47-44,632.12

Finding the Fourth Proportional to 80,430.58, 111,007.47 and 44,632.12

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Solution

The fourth proportional to 80,430.58, 111,007.47 and 44,632.12 is: 61,599.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,430.58 : 111,007.47 = 44,632.12 : x
  2. Step 2: Convert to fraction form
    80,430.58/111,007.47 = 44,632.12/x
  3. Step 3: Cross multiply
    80,430.58x = 111,007.47 × 44,632.12
  4. Step 4: Simplify right side
    80,430.58x = 4,954,498,166.90
  5. Step 5: Solve for x
    x = 4,954,498,166.90/80,430.58
  6. Step 6: Final answer
    x = 61,599.69

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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.