Home / 112,367.13-168,358.83-61,808.46

Finding the Fourth Proportional to 112,367.13, 168,358.83 and 61,808.46

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Solution

The fourth proportional to 112,367.13, 168,358.83 and 61,808.46 is: 92,607.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,367.13 : 168,358.83 = 61,808.46 : x
  2. Step 2: Convert to fraction form
    112,367.13/168,358.83 = 61,808.46/x
  3. Step 3: Cross multiply
    112,367.13x = 168,358.83 × 61,808.46
  4. Step 4: Simplify right side
    112,367.13x = 10,406,000,009.70
  5. Step 5: Solve for x
    x = 10,406,000,009.70/112,367.13
  6. Step 6: Final answer
    x = 92,607.15

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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.