Home / 88,542.74-122,190.58-50,817

Finding the Fourth Proportional to 88,542.74, 122,190.58 and 50,817

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Solution

The fourth proportional to 88,542.74, 122,190.58 and 50,817 is: 70,128.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,542.74 : 122,190.58 = 50,817 : x
  2. Step 2: Convert to fraction form
    88,542.74/122,190.58 = 50,817/x
  3. Step 3: Cross multiply
    88,542.74x = 122,190.58 × 50,817
  4. Step 4: Simplify right side
    88,542.74x = 6,209,358,703.86
  5. Step 5: Solve for x
    x = 6,209,358,703.86/88,542.74
  6. Step 6: Final answer
    x = 70,128.38

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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.