Home / 86,976.78-130,277.70-58,741.58

Finding the Fourth Proportional to 86,976.78, 130,277.70 and 58,741.58

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Solution

The fourth proportional to 86,976.78, 130,277.70 and 58,741.58 is: 87,985.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,976.78 : 130,277.70 = 58,741.58 : x
  2. Step 2: Convert to fraction form
    86,976.78/130,277.70 = 58,741.58/x
  3. Step 3: Cross multiply
    86,976.78x = 130,277.70 × 58,741.58
  4. Step 4: Simplify right side
    86,976.78x = 7,652,717,936.77
  5. Step 5: Solve for x
    x = 7,652,717,936.77/86,976.78
  6. Step 6: Final answer
    x = 87,985.76

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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.