Home / 55,006.04-75,895.32-31,132.71

Finding the Fourth Proportional to 55,006.04, 75,895.32 and 31,132.71

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Solution

The fourth proportional to 55,006.04, 75,895.32 and 31,132.71 is: 42,955.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,006.04 : 75,895.32 = 31,132.71 : x
  2. Step 2: Convert to fraction form
    55,006.04/75,895.32 = 31,132.71/x
  3. Step 3: Cross multiply
    55,006.04x = 75,895.32 × 31,132.71
  4. Step 4: Simplify right side
    55,006.04x = 2,362,826,987.92
  5. Step 5: Solve for x
    x = 2,362,826,987.92/55,006.04
  6. Step 6: Final answer
    x = 42,955.77

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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.