Home / 59,720.09-89,512.22-31,213.10

Finding the Fourth Proportional to 59,720.09, 89,512.22 and 31,213.10

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Solution

The fourth proportional to 59,720.09, 89,512.22 and 31,213.10 is: 46,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,720.09 : 89,512.22 = 31,213.10 : x
  2. Step 2: Convert to fraction form
    59,720.09/89,512.22 = 31,213.10/x
  3. Step 3: Cross multiply
    59,720.09x = 89,512.22 × 31,213.10
  4. Step 4: Simplify right side
    59,720.09x = 2,793,953,672.39
  5. Step 5: Solve for x
    x = 2,793,953,672.39/59,720.09
  6. Step 6: Final answer
    x = 46,784.15

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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.