Home / 80,600.04-111,193.51-50,332.81

Finding the Fourth Proportional to 80,600.04, 111,193.51 and 50,332.81

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Solution

The fourth proportional to 80,600.04, 111,193.51 and 50,332.81 is: 69,437.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,600.04 : 111,193.51 = 50,332.81 : x
  2. Step 2: Convert to fraction form
    80,600.04/111,193.51 = 50,332.81/x
  3. Step 3: Cross multiply
    80,600.04x = 111,193.51 × 50,332.81
  4. Step 4: Simplify right side
    80,600.04x = 5,596,681,812.06
  5. Step 5: Solve for x
    x = 5,596,681,812.06/80,600.04
  6. Step 6: Final answer
    x = 69,437.71

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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.