Home / 86,601.96-129,906.60-27,436.32

Finding the Fourth Proportional to 86,601.96, 129,906.60 and 27,436.32

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Solution

The fourth proportional to 86,601.96, 129,906.60 and 27,436.32 is: 41,155.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,601.96 : 129,906.60 = 27,436.32 : x
  2. Step 2: Convert to fraction form
    86,601.96/129,906.60 = 27,436.32/x
  3. Step 3: Cross multiply
    86,601.96x = 129,906.60 × 27,436.32
  4. Step 4: Simplify right side
    86,601.96x = 3,564,159,047.71
  5. Step 5: Solve for x
    x = 3,564,159,047.71/86,601.96
  6. Step 6: Final answer
    x = 41,155.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.