Home / 86,416.46-130,083.25-61,628.03

Finding the Fourth Proportional to 86,416.46, 130,083.25 and 61,628.03

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Solution

The fourth proportional to 86,416.46, 130,083.25 and 61,628.03 is: 92,769.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,416.46 : 130,083.25 = 61,628.03 : x
  2. Step 2: Convert to fraction form
    86,416.46/130,083.25 = 61,628.03/x
  3. Step 3: Cross multiply
    86,416.46x = 130,083.25 × 61,628.03
  4. Step 4: Simplify right side
    86,416.46x = 8,016,774,433.50
  5. Step 5: Solve for x
    x = 8,016,774,433.50/86,416.46
  6. Step 6: Final answer
    x = 92,769.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.