Home / 77,777.07-116,684.06-25,186.47

Finding the Fourth Proportional to 77,777.07, 116,684.06 and 25,186.47

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Solution

The fourth proportional to 77,777.07, 116,684.06 and 25,186.47 is: 37,785.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,777.07 : 116,684.06 = 25,186.47 : x
  2. Step 2: Convert to fraction form
    77,777.07/116,684.06 = 25,186.47/x
  3. Step 3: Cross multiply
    77,777.07x = 116,684.06 × 25,186.47
  4. Step 4: Simplify right side
    77,777.07x = 2,938,859,450.74
  5. Step 5: Solve for x
    x = 2,938,859,450.74/77,777.07
  6. Step 6: Final answer
    x = 37,785.68

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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.