Home / 86,606.40-119,516.16-48,879.36

Finding the Fourth Proportional to 86,606.40, 119,516.16 and 48,879.36

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Solution

The fourth proportional to 86,606.40, 119,516.16 and 48,879.36 is: 67,453.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,606.40 : 119,516.16 = 48,879.36 : x
  2. Step 2: Convert to fraction form
    86,606.40/119,516.16 = 48,879.36/x
  3. Step 3: Cross multiply
    86,606.40x = 119,516.16 × 48,879.36
  4. Step 4: Simplify right side
    86,606.40x = 5,841,873,410.46
  5. Step 5: Solve for x
    x = 5,841,873,410.46/86,606.40
  6. Step 6: Final answer
    x = 67,453.14

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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.