Home / 55,574.89-76,686.19-31,700.14

Finding the Fourth Proportional to 55,574.89, 76,686.19 and 31,700.14

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Solution

The fourth proportional to 55,574.89, 76,686.19 and 31,700.14 is: 43,742.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,574.89 : 76,686.19 = 31,700.14 : x
  2. Step 2: Convert to fraction form
    55,574.89/76,686.19 = 31,700.14/x
  3. Step 3: Cross multiply
    55,574.89x = 76,686.19 × 31,700.14
  4. Step 4: Simplify right side
    55,574.89x = 2,430,962,575.64
  5. Step 5: Solve for x
    x = 2,430,962,575.64/55,574.89
  6. Step 6: Final answer
    x = 43,742.11

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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.