Home / 86,415.46-130,081.75-61,627.03

Finding the Fourth Proportional to 86,415.46, 130,081.75 and 61,627.03

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Solution

The fourth proportional to 86,415.46, 130,081.75 and 61,627.03 is: 92,767.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,415.46 : 130,081.75 = 61,627.03 : x
  2. Step 2: Convert to fraction form
    86,415.46/130,081.75 = 61,627.03/x
  3. Step 3: Cross multiply
    86,415.46x = 130,081.75 × 61,627.03
  4. Step 4: Simplify right side
    86,415.46x = 8,016,551,430.43
  5. Step 5: Solve for x
    x = 8,016,551,430.43/86,415.46
  6. Step 6: Final answer
    x = 92,767.56

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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.