Home / 55,192.32-76,163.28-31,317.57

Finding the Fourth Proportional to 55,192.32, 76,163.28 and 31,317.57

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Solution

The fourth proportional to 55,192.32, 76,163.28 and 31,317.57 is: 43,217.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,192.32 : 76,163.28 = 31,317.57 : x
  2. Step 2: Convert to fraction form
    55,192.32/76,163.28 = 31,317.57/x
  3. Step 3: Cross multiply
    55,192.32x = 76,163.28 × 31,317.57
  4. Step 4: Simplify right side
    55,192.32x = 2,385,248,852.83
  5. Step 5: Solve for x
    x = 2,385,248,852.83/55,192.32
  6. Step 6: Final answer
    x = 43,217.04

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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.