Home / 55,769.15-76,975.63-31,903.31

Finding the Fourth Proportional to 55,769.15, 76,975.63 and 31,903.31

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Solution

The fourth proportional to 55,769.15, 76,975.63 and 31,903.31 is: 44,034.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,769.15 : 76,975.63 = 31,903.31 : x
  2. Step 2: Convert to fraction form
    55,769.15/76,975.63 = 31,903.31/x
  3. Step 3: Cross multiply
    55,769.15x = 76,975.63 × 31,903.31
  4. Step 4: Simplify right side
    55,769.15x = 2,455,776,921.70
  5. Step 5: Solve for x
    x = 2,455,776,921.70/55,769.15
  6. Step 6: Final answer
    x = 44,034.69

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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.