Home / 92,977.74-128,338.29-54,734.29

Finding the Fourth Proportional to 92,977.74, 128,338.29 and 54,734.29

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Solution

The fourth proportional to 92,977.74, 128,338.29 and 54,734.29 is: 75,550.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,977.74 : 128,338.29 = 54,734.29 : x
  2. Step 2: Convert to fraction form
    92,977.74/128,338.29 = 54,734.29/x
  3. Step 3: Cross multiply
    92,977.74x = 128,338.29 × 54,734.29
  4. Step 4: Simplify right side
    92,977.74x = 7,024,504,721.45
  5. Step 5: Solve for x
    x = 7,024,504,721.45/92,977.74
  6. Step 6: Final answer
    x = 75,550.39

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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.