Home / 104,459.18-144,186.54-66,733.42

Finding the Fourth Proportional to 104,459.18, 144,186.54 and 66,733.42

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Solution

The fourth proportional to 104,459.18, 144,186.54 and 66,733.42 is: 92,113.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,459.18 : 144,186.54 = 66,733.42 : x
  2. Step 2: Convert to fraction form
    104,459.18/144,186.54 = 66,733.42/x
  3. Step 3: Cross multiply
    104,459.18x = 144,186.54 × 66,733.42
  4. Step 4: Simplify right side
    104,459.18x = 9,622,060,932.17
  5. Step 5: Solve for x
    x = 9,622,060,932.17/104,459.18
  6. Step 6: Final answer
    x = 92,113.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.