Home / 53,366.49-80,098.20-28,427.81

Finding the Fourth Proportional to 53,366.49, 80,098.20 and 28,427.81

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Solution

The fourth proportional to 53,366.49, 80,098.20 and 28,427.81 is: 42,667.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,366.49 : 80,098.20 = 28,427.81 : x
  2. Step 2: Convert to fraction form
    53,366.49/80,098.20 = 28,427.81/x
  3. Step 3: Cross multiply
    53,366.49x = 80,098.20 × 28,427.81
  4. Step 4: Simplify right side
    53,366.49x = 2,277,016,010.45
  5. Step 5: Solve for x
    x = 2,277,016,010.45/53,366.49
  6. Step 6: Final answer
    x = 42,667.52

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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.