Home / 86,509.12-119,374.14-50,204.92

Finding the Fourth Proportional to 86,509.12, 119,374.14 and 50,204.92

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Solution

The fourth proportional to 86,509.12, 119,374.14 and 50,204.92 is: 69,277.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,509.12 : 119,374.14 = 50,204.92 : x
  2. Step 2: Convert to fraction form
    86,509.12/119,374.14 = 50,204.92/x
  3. Step 3: Cross multiply
    86,509.12x = 119,374.14 × 50,204.92
  4. Step 4: Simplify right side
    86,509.12x = 5,993,169,148.77
  5. Step 5: Solve for x
    x = 5,993,169,148.77/86,509.12
  6. Step 6: Final answer
    x = 69,277.89

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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.