Home / 85,944.83-128,886.39-29,769.84

Finding the Fourth Proportional to 85,944.83, 128,886.39 and 29,769.84

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Solution

The fourth proportional to 85,944.83, 128,886.39 and 29,769.84 is: 44,644.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,944.83 : 128,886.39 = 29,769.84 : x
  2. Step 2: Convert to fraction form
    85,944.83/128,886.39 = 29,769.84/x
  3. Step 3: Cross multiply
    85,944.83x = 128,886.39 × 29,769.84
  4. Step 4: Simplify right side
    85,944.83x = 3,836,927,208.48
  5. Step 5: Solve for x
    x = 3,836,927,208.48/85,944.83
  6. Step 6: Final answer
    x = 44,644.07

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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.