Home / 117,901.48-162,711.30-67,616.68

Finding the Fourth Proportional to 117,901.48, 162,711.30 and 67,616.68

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Solution

The fourth proportional to 117,901.48, 162,711.30 and 67,616.68 is: 93,315.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,901.48 : 162,711.30 = 67,616.68 : x
  2. Step 2: Convert to fraction form
    117,901.48/162,711.30 = 67,616.68/x
  3. Step 3: Cross multiply
    117,901.48x = 162,711.30 × 67,616.68
  4. Step 4: Simplify right side
    117,901.48x = 11,001,997,904.48
  5. Step 5: Solve for x
    x = 11,001,997,904.48/117,901.48
  6. Step 6: Final answer
    x = 93,315.18

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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.