Home / 117,888.29-162,685.86-64,173.71

Finding the Fourth Proportional to 117,888.29, 162,685.86 and 64,173.71

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Solution

The fourth proportional to 117,888.29, 162,685.86 and 64,173.71 is: 88,559.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,888.29 : 162,685.86 = 64,173.71 : x
  2. Step 2: Convert to fraction form
    117,888.29/162,685.86 = 64,173.71/x
  3. Step 3: Cross multiply
    117,888.29x = 162,685.86 × 64,173.71
  4. Step 4: Simplify right side
    117,888.29x = 10,440,154,226.88
  5. Step 5: Solve for x
    x = 10,440,154,226.88/117,888.29
  6. Step 6: Final answer
    x = 88,559.72

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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.