Home / 117,718.47-176,688.68-42,910.92

Finding the Fourth Proportional to 117,718.47, 176,688.68 and 42,910.92

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Solution

The fourth proportional to 117,718.47, 176,688.68 and 42,910.92 is: 64,406.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,718.47 : 176,688.68 = 42,910.92 : x
  2. Step 2: Convert to fraction form
    117,718.47/176,688.68 = 42,910.92/x
  3. Step 3: Cross multiply
    117,718.47x = 176,688.68 × 42,910.92
  4. Step 4: Simplify right side
    117,718.47x = 7,581,873,597.83
  5. Step 5: Solve for x
    x = 7,581,873,597.83/117,718.47
  6. Step 6: Final answer
    x = 64,406.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.