Home / 52,261.65-72,127.31-31,040.96

Finding the Fourth Proportional to 52,261.65, 72,127.31 and 31,040.96

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Solution

The fourth proportional to 52,261.65, 72,127.31 and 31,040.96 is: 42,840.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,261.65 : 72,127.31 = 31,040.96 : x
  2. Step 2: Convert to fraction form
    52,261.65/72,127.31 = 31,040.96/x
  3. Step 3: Cross multiply
    52,261.65x = 72,127.31 × 31,040.96
  4. Step 4: Simplify right side
    52,261.65x = 2,238,900,428.78
  5. Step 5: Solve for x
    x = 2,238,900,428.78/52,261.65
  6. Step 6: Final answer
    x = 42,840.22

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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.