Home / 88,729.10-122,400.58-58,503.39

Finding the Fourth Proportional to 88,729.10, 122,400.58 and 58,503.39

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Solution

The fourth proportional to 88,729.10, 122,400.58 and 58,503.39 is: 80,704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,729.10 : 122,400.58 = 58,503.39 : x
  2. Step 2: Convert to fraction form
    88,729.10/122,400.58 = 58,503.39/x
  3. Step 3: Cross multiply
    88,729.10x = 122,400.58 × 58,503.39
  4. Step 4: Simplify right side
    88,729.10x = 7,160,848,798.92
  5. Step 5: Solve for x
    x = 7,160,848,798.92/88,729.10
  6. Step 6: Final answer
    x = 80,704.63

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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.