Home / 77,047.12-106,323.42-43,055.92

Finding the Fourth Proportional to 77,047.12, 106,323.42 and 43,055.92

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Solution

The fourth proportional to 77,047.12, 106,323.42 and 43,055.92 is: 59,416.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,047.12 : 106,323.42 = 43,055.92 : x
  2. Step 2: Convert to fraction form
    77,047.12/106,323.42 = 43,055.92/x
  3. Step 3: Cross multiply
    77,047.12x = 106,323.42 × 43,055.92
  4. Step 4: Simplify right side
    77,047.12x = 4,577,852,665.65
  5. Step 5: Solve for x
    x = 4,577,852,665.65/77,047.12
  6. Step 6: Final answer
    x = 59,416.27

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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.