Home / 86,302.38-119,097.72-50,485.44

Finding the Fourth Proportional to 86,302.38, 119,097.72 and 50,485.44

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Solution

The fourth proportional to 86,302.38, 119,097.72 and 50,485.44 is: 69,670.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,302.38 : 119,097.72 = 50,485.44 : x
  2. Step 2: Convert to fraction form
    86,302.38/119,097.72 = 50,485.44/x
  3. Step 3: Cross multiply
    86,302.38x = 119,097.72 × 50,485.44
  4. Step 4: Simplify right side
    86,302.38x = 6,012,700,797.20
  5. Step 5: Solve for x
    x = 6,012,700,797.20/86,302.38
  6. Step 6: Final answer
    x = 69,670.16

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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.