Home / 55,908.60-83,717.10-53,284.20

Finding the Fourth Proportional to 55,908.60, 83,717.10 and 53,284.20

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Solution

The fourth proportional to 55,908.60, 83,717.10 and 53,284.20 is: 79,787.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,908.60 : 83,717.10 = 53,284.20 : x
  2. Step 2: Convert to fraction form
    55,908.60/83,717.10 = 53,284.20/x
  3. Step 3: Cross multiply
    55,908.60x = 83,717.10 × 53,284.20
  4. Step 4: Simplify right side
    55,908.60x = 4,460,798,699.82
  5. Step 5: Solve for x
    x = 4,460,798,699.82/55,908.60
  6. Step 6: Final answer
    x = 79,787.34

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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.