Home / 74,320.51-111,476.78-26,285.79

Finding the Fourth Proportional to 74,320.51, 111,476.78 and 26,285.79

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Solution

The fourth proportional to 74,320.51, 111,476.78 and 26,285.79 is: 39,427.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,320.51 : 111,476.78 = 26,285.79 : x
  2. Step 2: Convert to fraction form
    74,320.51/111,476.78 = 26,285.79/x
  3. Step 3: Cross multiply
    74,320.51x = 111,476.78 × 26,285.79
  4. Step 4: Simplify right side
    74,320.51x = 2,930,254,876.63
  5. Step 5: Solve for x
    x = 2,930,254,876.63/74,320.51
  6. Step 6: Final answer
    x = 39,427.27

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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.