Home / 92,508.03-138,798.90-55,085.76

Finding the Fourth Proportional to 92,508.03, 138,798.90 and 55,085.76

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Solution

The fourth proportional to 92,508.03, 138,798.90 and 55,085.76 is: 82,650.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,508.03 : 138,798.90 = 55,085.76 : x
  2. Step 2: Convert to fraction form
    92,508.03/138,798.90 = 55,085.76/x
  3. Step 3: Cross multiply
    92,508.03x = 138,798.90 × 55,085.76
  4. Step 4: Simplify right side
    92,508.03x = 7,645,842,893.66
  5. Step 5: Solve for x
    x = 7,645,842,893.66/92,508.03
  6. Step 6: Final answer
    x = 82,650.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.