Home / 55,036.04-75,949.79-31,162.76

Finding the Fourth Proportional to 55,036.04, 75,949.79 and 31,162.76

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Solution

The fourth proportional to 55,036.04, 75,949.79 and 31,162.76 is: 43,004.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,036.04 : 75,949.79 = 31,162.76 : x
  2. Step 2: Convert to fraction form
    55,036.04/75,949.79 = 31,162.76/x
  3. Step 3: Cross multiply
    55,036.04x = 75,949.79 × 31,162.76
  4. Step 4: Simplify right side
    55,036.04x = 2,366,804,542.26
  5. Step 5: Solve for x
    x = 2,366,804,542.26/55,036.04
  6. Step 6: Final answer
    x = 43,004.63

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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.