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Finding the Fourth Proportional to 92,280.81, 127,346.00 and 51,998.70

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Solution

The fourth proportional to 92,280.81, 127,346.00 and 51,998.70 is: 71,757.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,280.81 : 127,346.00 = 51,998.70 : x
  2. Step 2: Convert to fraction form
    92,280.81/127,346.00 = 51,998.70/x
  3. Step 3: Cross multiply
    92,280.81x = 127,346.00 × 51,998.70
  4. Step 4: Simplify right side
    92,280.81x = 6,621,826,190.21
  5. Step 5: Solve for x
    x = 6,621,826,190.21/92,280.81
  6. Step 6: Final answer
    x = 71,757.35

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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.