Home / 69,935.54-104,976.68-61,981.20

Finding the Fourth Proportional to 69,935.54, 104,976.68 and 61,981.20

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Solution

The fourth proportional to 69,935.54, 104,976.68 and 61,981.20 is: 93,036.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,935.54 : 104,976.68 = 61,981.20 : x
  2. Step 2: Convert to fraction form
    69,935.54/104,976.68 = 61,981.20/x
  3. Step 3: Cross multiply
    69,935.54x = 104,976.68 × 61,981.20
  4. Step 4: Simplify right side
    69,935.54x = 6,506,580,288.51
  5. Step 5: Solve for x
    x = 6,506,580,288.51/69,935.54
  6. Step 6: Final answer
    x = 93,036.83

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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.