Home / 92,528.02-138,798.87-81,511.01

Finding the Fourth Proportional to 92,528.02, 138,798.87 and 81,511.01

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Solution

The fourth proportional to 92,528.02, 138,798.87 and 81,511.01 is: 122,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,528.02 : 138,798.87 = 81,511.01 : x
  2. Step 2: Convert to fraction form
    92,528.02/138,798.87 = 81,511.01/x
  3. Step 3: Cross multiply
    92,528.02x = 138,798.87 × 81,511.01
  4. Step 4: Simplify right side
    92,528.02x = 11,313,635,601.39
  5. Step 5: Solve for x
    x = 11,313,635,601.39/92,528.02
  6. Step 6: Final answer
    x = 122,272.53

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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.