Home / 51,305.04-70,807.32-31,160.52

Finding the Fourth Proportional to 51,305.04, 70,807.32 and 31,160.52

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Solution

The fourth proportional to 51,305.04, 70,807.32 and 31,160.52 is: 43,005.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,305.04 : 70,807.32 = 31,160.52 : x
  2. Step 2: Convert to fraction form
    51,305.04/70,807.32 = 31,160.52/x
  3. Step 3: Cross multiply
    51,305.04x = 70,807.32 × 31,160.52
  4. Step 4: Simplify right side
    51,305.04x = 2,206,392,911.01
  5. Step 5: Solve for x
    x = 2,206,392,911.01/51,305.04
  6. Step 6: Final answer
    x = 43,005.38

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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.