Home / 69,976.16-104,810.38-57,830.67

Finding the Fourth Proportional to 69,976.16, 104,810.38 and 57,830.67

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Solution

The fourth proportional to 69,976.16, 104,810.38 and 57,830.67 is: 86,618.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,976.16 : 104,810.38 = 57,830.67 : x
  2. Step 2: Convert to fraction form
    69,976.16/104,810.38 = 57,830.67/x
  3. Step 3: Cross multiply
    69,976.16x = 104,810.38 × 57,830.67
  4. Step 4: Simplify right side
    69,976.16x = 6,061,254,221.65
  5. Step 5: Solve for x
    x = 6,061,254,221.65/69,976.16
  6. Step 6: Final answer
    x = 86,618.84

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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.