Home / 86,947.23-119,977.34-48,701.55

Finding the Fourth Proportional to 86,947.23, 119,977.34 and 48,701.55

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Solution

The fourth proportional to 86,947.23, 119,977.34 and 48,701.55 is: 67,202.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,947.23 : 119,977.34 = 48,701.55 : x
  2. Step 2: Convert to fraction form
    86,947.23/119,977.34 = 48,701.55/x
  3. Step 3: Cross multiply
    86,947.23x = 119,977.34 × 48,701.55
  4. Step 4: Simplify right side
    86,947.23x = 5,843,082,179.37
  5. Step 5: Solve for x
    x = 5,843,082,179.37/86,947.23
  6. Step 6: Final answer
    x = 67,202.63

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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.