Home / 55,700.73-76,865.96-31,501.28

Finding the Fourth Proportional to 55,700.73, 76,865.96 and 31,501.28

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Solution

The fourth proportional to 55,700.73, 76,865.96 and 31,501.28 is: 43,471.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,700.73 : 76,865.96 = 31,501.28 : x
  2. Step 2: Convert to fraction form
    55,700.73/76,865.96 = 31,501.28/x
  3. Step 3: Cross multiply
    55,700.73x = 76,865.96 × 31,501.28
  4. Step 4: Simplify right side
    55,700.73x = 2,421,375,586.59
  5. Step 5: Solve for x
    x = 2,421,375,586.59/55,700.73
  6. Step 6: Final answer
    x = 43,471.16

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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.