Home / 86,601.07-129,800.75-36,664.57

Finding the Fourth Proportional to 86,601.07, 129,800.75 and 36,664.57

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Solution

The fourth proportional to 86,601.07, 129,800.75 and 36,664.57 is: 54,954.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,601.07 : 129,800.75 = 36,664.57 : x
  2. Step 2: Convert to fraction form
    86,601.07/129,800.75 = 36,664.57/x
  3. Step 3: Cross multiply
    86,601.07x = 129,800.75 × 36,664.57
  4. Step 4: Simplify right side
    86,601.07x = 4,759,088,035.42
  5. Step 5: Solve for x
    x = 4,759,088,035.42/86,601.07
  6. Step 6: Final answer
    x = 54,954.15

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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.