Home / 112,581.36-168,890.28-42,466.80

Finding the Fourth Proportional to 112,581.36, 168,890.28 and 42,466.80

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Solution

The fourth proportional to 112,581.36, 168,890.28 and 42,466.80 is: 63,707.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,581.36 : 168,890.28 = 42,466.80 : x
  2. Step 2: Convert to fraction form
    112,581.36/168,890.28 = 42,466.80/x
  3. Step 3: Cross multiply
    112,581.36x = 168,890.28 × 42,466.80
  4. Step 4: Simplify right side
    112,581.36x = 7,172,229,742.70
  5. Step 5: Solve for x
    x = 7,172,229,742.70/112,581.36
  6. Step 6: Final answer
    x = 63,707.08

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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.