Home / 53,785.68-74,223.72-29,911.20

Finding the Fourth Proportional to 53,785.68, 74,223.72 and 29,911.20

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Solution

The fourth proportional to 53,785.68, 74,223.72 and 29,911.20 is: 41,277.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,785.68 : 74,223.72 = 29,911.20 : x
  2. Step 2: Convert to fraction form
    53,785.68/74,223.72 = 29,911.20/x
  3. Step 3: Cross multiply
    53,785.68x = 74,223.72 × 29,911.20
  4. Step 4: Simplify right side
    53,785.68x = 2,220,120,533.66
  5. Step 5: Solve for x
    x = 2,220,120,533.66/53,785.68
  6. Step 6: Final answer
    x = 41,277.17

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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.