Home / 79,020.87-109,036.89-44,564.07

Finding the Fourth Proportional to 79,020.87, 109,036.89 and 44,564.07

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Solution

The fourth proportional to 79,020.87, 109,036.89 and 44,564.07 is: 61,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,020.87 : 109,036.89 = 44,564.07 : x
  2. Step 2: Convert to fraction form
    79,020.87/109,036.89 = 44,564.07/x
  3. Step 3: Cross multiply
    79,020.87x = 109,036.89 × 44,564.07
  4. Step 4: Simplify right side
    79,020.87x = 4,859,127,598.54
  5. Step 5: Solve for x
    x = 4,859,127,598.54/79,020.87
  6. Step 6: Final answer
    x = 61,491.70

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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.