Home / 86,844.54-119,845.45-47,100.54

Finding the Fourth Proportional to 86,844.54, 119,845.45 and 47,100.54

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Solution

The fourth proportional to 86,844.54, 119,845.45 and 47,100.54 is: 64,998.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,844.54 : 119,845.45 = 47,100.54 : x
  2. Step 2: Convert to fraction form
    86,844.54/119,845.45 = 47,100.54/x
  3. Step 3: Cross multiply
    86,844.54x = 119,845.45 × 47,100.54
  4. Step 4: Simplify right side
    86,844.54x = 5,644,785,411.54
  5. Step 5: Solve for x
    x = 5,644,785,411.54/86,844.54
  6. Step 6: Final answer
    x = 64,998.74

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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.