Home / 85,058.40-127,441.78-60,053.70

Finding the Fourth Proportional to 85,058.40, 127,441.78 and 60,053.70

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Solution

The fourth proportional to 85,058.40, 127,441.78 and 60,053.70 is: 89,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,058.40 : 127,441.78 = 60,053.70 : x
  2. Step 2: Convert to fraction form
    85,058.40/127,441.78 = 60,053.70/x
  3. Step 3: Cross multiply
    85,058.40x = 127,441.78 × 60,053.70
  4. Step 4: Simplify right side
    85,058.40x = 7,653,350,423.59
  5. Step 5: Solve for x
    x = 7,653,350,423.59/85,058.40
  6. Step 6: Final answer
    x = 89,977.60

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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.