Home / 92,300.06-138,453.08-29,120.77

Finding the Fourth Proportional to 92,300.06, 138,453.08 and 29,120.77

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Solution

The fourth proportional to 92,300.06, 138,453.08 and 29,120.77 is: 43,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,300.06 : 138,453.08 = 29,120.77 : x
  2. Step 2: Convert to fraction form
    92,300.06/138,453.08 = 29,120.77/x
  3. Step 3: Cross multiply
    92,300.06x = 138,453.08 × 29,120.77
  4. Step 4: Simplify right side
    92,300.06x = 4,031,860,298.47
  5. Step 5: Solve for x
    x = 4,031,860,298.47/92,300.06
  6. Step 6: Final answer
    x = 43,682.10

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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.