Home / 92,768.54-128,034.33-58,780.19

Finding the Fourth Proportional to 92,768.54, 128,034.33 and 58,780.19

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Solution

The fourth proportional to 92,768.54, 128,034.33 and 58,780.19 is: 81,125.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,768.54 : 128,034.33 = 58,780.19 : x
  2. Step 2: Convert to fraction form
    92,768.54/128,034.33 = 58,780.19/x
  3. Step 3: Cross multiply
    92,768.54x = 128,034.33 × 58,780.19
  4. Step 4: Simplify right side
    92,768.54x = 7,525,882,243.92
  5. Step 5: Solve for x
    x = 7,525,882,243.92/92,768.54
  6. Step 6: Final answer
    x = 81,125.37

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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.