Home / 86,873.40-119,898.90-62,991.36

Finding the Fourth Proportional to 86,873.40, 119,898.90 and 62,991.36

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Solution

The fourth proportional to 86,873.40, 119,898.90 and 62,991.36 is: 86,937.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,873.40 : 119,898.90 = 62,991.36 : x
  2. Step 2: Convert to fraction form
    86,873.40/119,898.90 = 62,991.36/x
  3. Step 3: Cross multiply
    86,873.40x = 119,898.90 × 62,991.36
  4. Step 4: Simplify right side
    86,873.40x = 7,552,594,773.50
  5. Step 5: Solve for x
    x = 7,552,594,773.50/86,873.40
  6. Step 6: Final answer
    x = 86,937.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.