Home / 69,612.19-96,062.39-37,780.45

Finding the Fourth Proportional to 69,612.19, 96,062.39 and 37,780.45

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Solution

The fourth proportional to 69,612.19, 96,062.39 and 37,780.45 is: 52,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,612.19 : 96,062.39 = 37,780.45 : x
  2. Step 2: Convert to fraction form
    69,612.19/96,062.39 = 37,780.45/x
  3. Step 3: Cross multiply
    69,612.19x = 96,062.39 × 37,780.45
  4. Step 4: Simplify right side
    69,612.19x = 3,629,280,133.37
  5. Step 5: Solve for x
    x = 3,629,280,133.37/69,612.19
  6. Step 6: Final answer
    x = 52,135.70

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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.