Home / 86,589.16-119,520.28-50,793.64

Finding the Fourth Proportional to 86,589.16, 119,520.28 and 50,793.64

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Solution

The fourth proportional to 86,589.16, 119,520.28 and 50,793.64 is: 70,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,589.16 : 119,520.28 = 50,793.64 : x
  2. Step 2: Convert to fraction form
    86,589.16/119,520.28 = 50,793.64/x
  3. Step 3: Cross multiply
    86,589.16x = 119,520.28 × 50,793.64
  4. Step 4: Simplify right side
    86,589.16x = 6,070,870,075.02
  5. Step 5: Solve for x
    x = 6,070,870,075.02/86,589.16
  6. Step 6: Final answer
    x = 70,111.20

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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.