Home / 98,841.85-136,399.24-55,234.77

Finding the Fourth Proportional to 98,841.85, 136,399.24 and 55,234.77

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Solution

The fourth proportional to 98,841.85, 136,399.24 and 55,234.77 is: 76,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,841.85 : 136,399.24 = 55,234.77 : x
  2. Step 2: Convert to fraction form
    98,841.85/136,399.24 = 55,234.77/x
  3. Step 3: Cross multiply
    98,841.85x = 136,399.24 × 55,234.77
  4. Step 4: Simplify right side
    98,841.85x = 7,533,980,649.57
  5. Step 5: Solve for x
    x = 7,533,980,649.57/98,841.85
  6. Step 6: Final answer
    x = 76,222.58

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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.