Home / 53,548.60-80,246.10-39,398.20

Finding the Fourth Proportional to 53,548.60, 80,246.10 and 39,398.20

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Solution

The fourth proportional to 53,548.60, 80,246.10 and 39,398.20 is: 59,040.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,548.60 : 80,246.10 = 39,398.20 : x
  2. Step 2: Convert to fraction form
    53,548.60/80,246.10 = 39,398.20/x
  3. Step 3: Cross multiply
    53,548.60x = 80,246.10 × 39,398.20
  4. Step 4: Simplify right side
    53,548.60x = 3,161,551,897.02
  5. Step 5: Solve for x
    x = 3,161,551,897.02/53,548.60
  6. Step 6: Final answer
    x = 59,040.79

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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.