Home / 85,076.82-127,552.56-28,901.76

Finding the Fourth Proportional to 85,076.82, 127,552.56 and 28,901.76

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Solution

The fourth proportional to 85,076.82, 127,552.56 and 28,901.76 is: 43,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,076.82 : 127,552.56 = 28,901.76 : x
  2. Step 2: Convert to fraction form
    85,076.82/127,552.56 = 28,901.76/x
  3. Step 3: Cross multiply
    85,076.82x = 127,552.56 × 28,901.76
  4. Step 4: Simplify right side
    85,076.82x = 3,686,493,476.51
  5. Step 5: Solve for x
    x = 3,686,493,476.51/85,076.82
  6. Step 6: Final answer
    x = 43,331.35

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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.