Home / 124,267.11-171,488.59-67,678.49

Finding the Fourth Proportional to 124,267.11, 171,488.59 and 67,678.49

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Solution

The fourth proportional to 124,267.11, 171,488.59 and 67,678.49 is: 93,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,267.11 : 171,488.59 = 67,678.49 : x
  2. Step 2: Convert to fraction form
    124,267.11/171,488.59 = 67,678.49/x
  3. Step 3: Cross multiply
    124,267.11x = 171,488.59 × 67,678.49
  4. Step 4: Simplify right side
    124,267.11x = 11,606,088,823.43
  5. Step 5: Solve for x
    x = 11,606,088,823.43/124,267.11
  6. Step 6: Final answer
    x = 93,396.30

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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.