Home / 55,431.91-83,248.09-51,210.62

Finding the Fourth Proportional to 55,431.91, 83,248.09 and 51,210.62

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Solution

The fourth proportional to 55,431.91, 83,248.09 and 51,210.62 is: 76,908.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,431.91 : 83,248.09 = 51,210.62 : x
  2. Step 2: Convert to fraction form
    55,431.91/83,248.09 = 51,210.62/x
  3. Step 3: Cross multiply
    55,431.91x = 83,248.09 × 51,210.62
  4. Step 4: Simplify right side
    55,431.91x = 4,263,186,070.63
  5. Step 5: Solve for x
    x = 4,263,186,070.63/55,431.91
  6. Step 6: Final answer
    x = 76,908.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.