Home / 86,807.85-119,820.04-50,517.77

Finding the Fourth Proportional to 86,807.85, 119,820.04 and 50,517.77

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Solution

The fourth proportional to 86,807.85, 119,820.04 and 50,517.77 is: 69,729.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,807.85 : 119,820.04 = 50,517.77 : x
  2. Step 2: Convert to fraction form
    86,807.85/119,820.04 = 50,517.77/x
  3. Step 3: Cross multiply
    86,807.85x = 119,820.04 × 50,517.77
  4. Step 4: Simplify right side
    86,807.85x = 6,053,041,222.11
  5. Step 5: Solve for x
    x = 6,053,041,222.11/86,807.85
  6. Step 6: Final answer
    x = 69,729.20

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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.