Home / 86,001.09-118,677.49-47,763.11

Finding the Fourth Proportional to 86,001.09, 118,677.49 and 47,763.11

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Solution

The fourth proportional to 86,001.09, 118,677.49 and 47,763.11 is: 65,910.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,001.09 : 118,677.49 = 47,763.11 : x
  2. Step 2: Convert to fraction form
    86,001.09/118,677.49 = 47,763.11/x
  3. Step 3: Cross multiply
    86,001.09x = 118,677.49 × 47,763.11
  4. Step 4: Simplify right side
    86,001.09x = 5,668,406,186.68
  5. Step 5: Solve for x
    x = 5,668,406,186.68/86,001.09
  6. Step 6: Final answer
    x = 65,910.87

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1.5x scale

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.