Home / 86,705.86-130,058.78-24,376.36

Finding the Fourth Proportional to 86,705.86, 130,058.78 and 24,376.36

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Solution

The fourth proportional to 86,705.86, 130,058.78 and 24,376.36 is: 36,564.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,705.86 : 130,058.78 = 24,376.36 : x
  2. Step 2: Convert to fraction form
    86,705.86/130,058.78 = 24,376.36/x
  3. Step 3: Cross multiply
    86,705.86x = 130,058.78 × 24,376.36
  4. Step 4: Simplify right side
    86,705.86x = 3,170,359,642.44
  5. Step 5: Solve for x
    x = 3,170,359,642.44/86,705.86
  6. Step 6: Final answer
    x = 36,564.54

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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.