Home / 55,342.08-76,368.96-31,474.56

Finding the Fourth Proportional to 55,342.08, 76,368.96 and 31,474.56

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Solution

The fourth proportional to 55,342.08, 76,368.96 and 31,474.56 is: 43,433.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,342.08 : 76,368.96 = 31,474.56 : x
  2. Step 2: Convert to fraction form
    55,342.08/76,368.96 = 31,474.56/x
  3. Step 3: Cross multiply
    55,342.08x = 76,368.96 × 31,474.56
  4. Step 4: Simplify right side
    55,342.08x = 2,403,679,413.66
  5. Step 5: Solve for x
    x = 2,403,679,413.66/55,342.08
  6. Step 6: Final answer
    x = 43,433.12

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1.5x scale

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.