Home / 121,569.66-182,300.76-55,007.10

Finding the Fourth Proportional to 121,569.66, 182,300.76 and 55,007.10

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Solution

The fourth proportional to 121,569.66, 182,300.76 and 55,007.10 is: 82,486.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,569.66 : 182,300.76 = 55,007.10 : x
  2. Step 2: Convert to fraction form
    121,569.66/182,300.76 = 55,007.10/x
  3. Step 3: Cross multiply
    121,569.66x = 182,300.76 × 55,007.10
  4. Step 4: Simplify right side
    121,569.66x = 10,027,836,135.40
  5. Step 5: Solve for x
    x = 10,027,836,135.40/121,569.66
  6. Step 6: Final answer
    x = 82,486.34

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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.