Home / 96,830.08-133,569.64-56,540.04

Finding the Fourth Proportional to 96,830.08, 133,569.64 and 56,540.04

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Solution

The fourth proportional to 96,830.08, 133,569.64 and 56,540.04 is: 77,992.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,830.08 : 133,569.64 = 56,540.04 : x
  2. Step 2: Convert to fraction form
    96,830.08/133,569.64 = 56,540.04/x
  3. Step 3: Cross multiply
    96,830.08x = 133,569.64 × 56,540.04
  4. Step 4: Simplify right side
    96,830.08x = 7,552,032,788.39
  5. Step 5: Solve for x
    x = 7,552,032,788.39/96,830.08
  6. Step 6: Final answer
    x = 77,992.63

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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.