Home / 117,587.48-162,208.53-74,490.95

Finding the Fourth Proportional to 117,587.48, 162,208.53 and 74,490.95

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Solution

The fourth proportional to 117,587.48, 162,208.53 and 74,490.95 is: 102,758.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,587.48 : 162,208.53 = 74,490.95 : x
  2. Step 2: Convert to fraction form
    117,587.48/162,208.53 = 74,490.95/x
  3. Step 3: Cross multiply
    117,587.48x = 162,208.53 × 74,490.95
  4. Step 4: Simplify right side
    117,587.48x = 12,083,067,497.80
  5. Step 5: Solve for x
    x = 12,083,067,497.80/117,587.48
  6. Step 6: Final answer
    x = 102,758.11

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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.