Home / 55,625.96-76,752.32-31,760.40

Finding the Fourth Proportional to 55,625.96, 76,752.32 and 31,760.40

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Solution

The fourth proportional to 55,625.96, 76,752.32 and 31,760.40 is: 43,822.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,625.96 : 76,752.32 = 31,760.40 : x
  2. Step 2: Convert to fraction form
    55,625.96/76,752.32 = 31,760.40/x
  3. Step 3: Cross multiply
    55,625.96x = 76,752.32 × 31,760.40
  4. Step 4: Simplify right side
    55,625.96x = 2,437,684,384.13
  5. Step 5: Solve for x
    x = 2,437,684,384.13/55,625.96
  6. Step 6: Final answer
    x = 43,822.78

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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.