Home / 55,192.07-76,162.94-31,317.32

Finding the Fourth Proportional to 55,192.07, 76,162.94 and 31,317.32

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Solution

The fourth proportional to 55,192.07, 76,162.94 and 31,317.32 is: 43,216.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,192.07 : 76,162.94 = 31,317.32 : x
  2. Step 2: Convert to fraction form
    55,192.07/76,162.94 = 31,317.32/x
  3. Step 3: Cross multiply
    55,192.07x = 76,162.94 × 31,317.32
  4. Step 4: Simplify right side
    55,192.07x = 2,385,219,164.12
  5. Step 5: Solve for x
    x = 2,385,219,164.12/55,192.07
  6. Step 6: Final answer
    x = 43,216.70

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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.