Home / 117,569.36-162,245.12-63,854

Finding the Fourth Proportional to 117,569.36, 162,245.12 and 63,854

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Solution

The fourth proportional to 117,569.36, 162,245.12 and 63,854 is: 88,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,569.36 : 162,245.12 = 63,854 : x
  2. Step 2: Convert to fraction form
    117,569.36/162,245.12 = 63,854/x
  3. Step 3: Cross multiply
    117,569.36x = 162,245.12 × 63,854
  4. Step 4: Simplify right side
    117,569.36x = 10,359,999,892.48
  5. Step 5: Solve for x
    x = 10,359,999,892.48/117,569.36
  6. Step 6: Final answer
    x = 88,118.20

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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.