Home / 89,122.02-133,712.81-29,153.22

Finding the Fourth Proportional to 89,122.02, 133,712.81 and 29,153.22

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Solution

The fourth proportional to 89,122.02, 133,712.81 and 29,153.22 is: 43,739.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,122.02 : 133,712.81 = 29,153.22 : x
  2. Step 2: Convert to fraction form
    89,122.02/133,712.81 = 29,153.22/x
  3. Step 3: Cross multiply
    89,122.02x = 133,712.81 × 29,153.22
  4. Step 4: Simplify right side
    89,122.02x = 3,898,158,820.98
  5. Step 5: Solve for x
    x = 3,898,158,820.98/89,122.02
  6. Step 6: Final answer
    x = 43,739.57

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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.