Home / 116,565.08-160,860.04-68,821.49

Finding the Fourth Proportional to 116,565.08, 160,860.04 and 68,821.49

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Solution

The fourth proportional to 116,565.08, 160,860.04 and 68,821.49 is: 94,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,565.08 : 160,860.04 = 68,821.49 : x
  2. Step 2: Convert to fraction form
    116,565.08/160,860.04 = 68,821.49/x
  3. Step 3: Cross multiply
    116,565.08x = 160,860.04 × 68,821.49
  4. Step 4: Simplify right side
    116,565.08x = 11,070,627,864.36
  5. Step 5: Solve for x
    x = 11,070,627,864.36/116,565.08
  6. Step 6: Final answer
    x = 94,973.80

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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.