Home / 80,937.93-111,764.86-50,775.10

Finding the Fourth Proportional to 80,937.93, 111,764.86 and 50,775.10

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Solution

The fourth proportional to 80,937.93, 111,764.86 and 50,775.10 is: 70,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,937.93 : 111,764.86 = 50,775.10 : x
  2. Step 2: Convert to fraction form
    80,937.93/111,764.86 = 50,775.10/x
  3. Step 3: Cross multiply
    80,937.93x = 111,764.86 × 50,775.10
  4. Step 4: Simplify right side
    80,937.93x = 5,674,871,130.29
  5. Step 5: Solve for x
    x = 5,674,871,130.29/80,937.93
  6. Step 6: Final answer
    x = 70,113.87

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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.