Home / 119,734.12-165,248.04-68,762.80

Finding the Fourth Proportional to 119,734.12, 165,248.04 and 68,762.80

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Solution

The fourth proportional to 119,734.12, 165,248.04 and 68,762.80 is: 94,901.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,734.12 : 165,248.04 = 68,762.80 : x
  2. Step 2: Convert to fraction form
    119,734.12/165,248.04 = 68,762.80/x
  3. Step 3: Cross multiply
    119,734.12x = 165,248.04 × 68,762.80
  4. Step 4: Simplify right side
    119,734.12x = 11,362,917,924.91
  5. Step 5: Solve for x
    x = 11,362,917,924.91/119,734.12
  6. Step 6: Final answer
    x = 94,901.25

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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.