Home / 112,397.11-168,678.79-53,232.89

Finding the Fourth Proportional to 112,397.11, 168,678.79 and 53,232.89

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Solution

The fourth proportional to 112,397.11, 168,678.79 and 53,232.89 is: 79,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,397.11 : 168,678.79 = 53,232.89 : x
  2. Step 2: Convert to fraction form
    112,397.11/168,678.79 = 53,232.89/x
  3. Step 3: Cross multiply
    112,397.11x = 168,678.79 × 53,232.89
  4. Step 4: Simplify right side
    112,397.11x = 8,979,258,496.93
  5. Step 5: Solve for x
    x = 8,979,258,496.93/112,397.11
  6. Step 6: Final answer
    x = 79,888.70

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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.