Home / 88,720.50-122,434.49-48,434.27

Finding the Fourth Proportional to 88,720.50, 122,434.49 and 48,434.27

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Solution

The fourth proportional to 88,720.50, 122,434.49 and 48,434.27 is: 66,839.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,720.50 : 122,434.49 = 48,434.27 : x
  2. Step 2: Convert to fraction form
    88,720.50/122,434.49 = 48,434.27/x
  3. Step 3: Cross multiply
    88,720.50x = 122,434.49 × 48,434.27
  4. Step 4: Simplify right side
    88,720.50x = 5,930,024,291.63
  5. Step 5: Solve for x
    x = 5,930,024,291.63/88,720.50
  6. Step 6: Final answer
    x = 66,839.39

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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.