Home / 52,398.36-72,171.95-40,275.63

Finding the Fourth Proportional to 52,398.36, 72,171.95 and 40,275.63

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Solution

The fourth proportional to 52,398.36, 72,171.95 and 40,275.63 is: 55,474.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,398.36 : 72,171.95 = 40,275.63 : x
  2. Step 2: Convert to fraction form
    52,398.36/72,171.95 = 40,275.63/x
  3. Step 3: Cross multiply
    52,398.36x = 72,171.95 × 40,275.63
  4. Step 4: Simplify right side
    52,398.36x = 2,906,770,553.20
  5. Step 5: Solve for x
    x = 2,906,770,553.20/52,398.36
  6. Step 6: Final answer
    x = 55,474.46

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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.