Home / 54,929.16-75,802.74-29,778.72

Finding the Fourth Proportional to 54,929.16, 75,802.74 and 29,778.72

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Solution

The fourth proportional to 54,929.16, 75,802.74 and 29,778.72 is: 41,094.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,929.16 : 75,802.74 = 29,778.72 : x
  2. Step 2: Convert to fraction form
    54,929.16/75,802.74 = 29,778.72/x
  3. Step 3: Cross multiply
    54,929.16x = 75,802.74 × 29,778.72
  4. Step 4: Simplify right side
    54,929.16x = 2,257,308,569.69
  5. Step 5: Solve for x
    x = 2,257,308,569.69/54,929.16
  6. Step 6: Final answer
    x = 41,094.90

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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.