Home / 89,543.13-134,145.37-52,918.82

Finding the Fourth Proportional to 89,543.13, 134,145.37 and 52,918.82

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Solution

The fourth proportional to 89,543.13, 134,145.37 and 52,918.82 is: 79,278.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,543.13 : 134,145.37 = 52,918.82 : x
  2. Step 2: Convert to fraction form
    89,543.13/134,145.37 = 52,918.82/x
  3. Step 3: Cross multiply
    89,543.13x = 134,145.37 × 52,918.82
  4. Step 4: Simplify right side
    89,543.13x = 7,098,814,881.54
  5. Step 5: Solve for x
    x = 7,098,814,881.54/89,543.13
  6. Step 6: Final answer
    x = 79,278.17

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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.