Home / 77,776.47-116,669.57-25,191.27

Finding the Fourth Proportional to 77,776.47, 116,669.57 and 25,191.27

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Solution

The fourth proportional to 77,776.47, 116,669.57 and 25,191.27 is: 37,788.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,776.47 : 116,669.57 = 25,191.27 : x
  2. Step 2: Convert to fraction form
    77,776.47/116,669.57 = 25,191.27/x
  3. Step 3: Cross multiply
    77,776.47x = 116,669.57 × 25,191.27
  4. Step 4: Simplify right side
    77,776.47x = 2,939,054,512.70
  5. Step 5: Solve for x
    x = 2,939,054,512.70/77,776.47
  6. Step 6: Final answer
    x = 37,788.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.