Home / 98,830.34-136,385.92-53,508.33

Finding the Fourth Proportional to 98,830.34, 136,385.92 and 53,508.33

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Solution

The fourth proportional to 98,830.34, 136,385.92 and 53,508.33 is: 73,841.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,830.34 : 136,385.92 = 53,508.33 : x
  2. Step 2: Convert to fraction form
    98,830.34/136,385.92 = 53,508.33/x
  3. Step 3: Cross multiply
    98,830.34x = 136,385.92 × 53,508.33
  4. Step 4: Simplify right side
    98,830.34x = 7,297,782,814.71
  5. Step 5: Solve for x
    x = 7,297,782,814.71/98,830.34
  6. Step 6: Final answer
    x = 73,841.52

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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.