Home / 55,565.68-76,675.80-31,365.31

Finding the Fourth Proportional to 55,565.68, 76,675.80 and 31,365.31

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Solution

The fourth proportional to 55,565.68, 76,675.80 and 31,365.31 is: 43,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,565.68 : 76,675.80 = 31,365.31 : x
  2. Step 2: Convert to fraction form
    55,565.68/76,675.80 = 31,365.31/x
  3. Step 3: Cross multiply
    55,565.68x = 76,675.80 × 31,365.31
  4. Step 4: Simplify right side
    55,565.68x = 2,404,960,236.50
  5. Step 5: Solve for x
    x = 2,404,960,236.50/55,565.68
  6. Step 6: Final answer
    x = 43,281.40

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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.