Home / 92,403.16-138,621.81-29,239.18

Finding the Fourth Proportional to 92,403.16, 138,621.81 and 29,239.18

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Solution

The fourth proportional to 92,403.16, 138,621.81 and 29,239.18 is: 43,864.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,403.16 : 138,621.81 = 29,239.18 : x
  2. Step 2: Convert to fraction form
    92,403.16/138,621.81 = 29,239.18/x
  3. Step 3: Cross multiply
    92,403.16x = 138,621.81 × 29,239.18
  4. Step 4: Simplify right side
    92,403.16x = 4,053,188,054.52
  5. Step 5: Solve for x
    x = 4,053,188,054.52/92,403.16
  6. Step 6: Final answer
    x = 43,864.17

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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.