Home / 119,814.66-165,373.04-72,058.82

Finding the Fourth Proportional to 119,814.66, 165,373.04 and 72,058.82

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Solution

The fourth proportional to 119,814.66, 165,373.04 and 72,058.82 is: 99,458.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,814.66 : 165,373.04 = 72,058.82 : x
  2. Step 2: Convert to fraction form
    119,814.66/165,373.04 = 72,058.82/x
  3. Step 3: Cross multiply
    119,814.66x = 165,373.04 × 72,058.82
  4. Step 4: Simplify right side
    119,814.66x = 11,916,585,475.49
  5. Step 5: Solve for x
    x = 11,916,585,475.49/119,814.66
  6. Step 6: Final answer
    x = 99,458.49

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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.