Home / 119,562.30-164,989.65-68,572.40

Finding the Fourth Proportional to 119,562.30, 164,989.65 and 68,572.40

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Solution

The fourth proportional to 119,562.30, 164,989.65 and 68,572.40 is: 94,626.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,562.30 : 164,989.65 = 68,572.40 : x
  2. Step 2: Convert to fraction form
    119,562.30/164,989.65 = 68,572.40/x
  3. Step 3: Cross multiply
    119,562.30x = 164,989.65 × 68,572.40
  4. Step 4: Simplify right side
    119,562.30x = 11,313,736,275.66
  5. Step 5: Solve for x
    x = 11,313,736,275.66/119,562.30
  6. Step 6: Final answer
    x = 94,626.29

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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.