Home / 98,830.20-136,385.73-53,508.20

Finding the Fourth Proportional to 98,830.20, 136,385.73 and 53,508.20

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Solution

The fourth proportional to 98,830.20, 136,385.73 and 53,508.20 is: 73,841.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,830.20 : 136,385.73 = 53,508.20 : x
  2. Step 2: Convert to fraction form
    98,830.20/136,385.73 = 53,508.20/x
  3. Step 3: Cross multiply
    98,830.20x = 136,385.73 × 53,508.20
  4. Step 4: Simplify right side
    98,830.20x = 7,297,754,236.06
  5. Step 5: Solve for x
    x = 7,297,754,236.06/98,830.20
  6. Step 6: Final answer
    x = 73,841.34

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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.