Home / 119,374.17-164,759.76-68,421.06

Finding the Fourth Proportional to 119,374.17, 164,759.76 and 68,421.06

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Solution

The fourth proportional to 119,374.17, 164,759.76 and 68,421.06 is: 94,434.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,374.17 : 164,759.76 = 68,421.06 : x
  2. Step 2: Convert to fraction form
    119,374.17/164,759.76 = 68,421.06/x
  3. Step 3: Cross multiply
    119,374.17x = 164,759.76 × 68,421.06
  4. Step 4: Simplify right side
    119,374.17x = 11,273,036,749.09
  5. Step 5: Solve for x
    x = 11,273,036,749.09/119,374.17
  6. Step 6: Final answer
    x = 94,434.47

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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.