Home / 77,095.80-115,621.53-29,707.16

Finding the Fourth Proportional to 77,095.80, 115,621.53 and 29,707.16

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Solution

The fourth proportional to 77,095.80, 115,621.53 and 29,707.16 is: 44,552.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,095.80 : 115,621.53 = 29,707.16 : x
  2. Step 2: Convert to fraction form
    77,095.80/115,621.53 = 29,707.16/x
  3. Step 3: Cross multiply
    77,095.80x = 115,621.53 × 29,707.16
  4. Step 4: Simplify right side
    77,095.80x = 3,434,786,601.65
  5. Step 5: Solve for x
    x = 3,434,786,601.65/77,095.80
  6. Step 6: Final answer
    x = 44,552.19

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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.