Home / 112,403.60-168,581.10-49,223.60

Finding the Fourth Proportional to 112,403.60, 168,581.10 and 49,223.60

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Solution

The fourth proportional to 112,403.60, 168,581.10 and 49,223.60 is: 73,824.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,403.60 : 168,581.10 = 49,223.60 : x
  2. Step 2: Convert to fraction form
    112,403.60/168,581.10 = 49,223.60/x
  3. Step 3: Cross multiply
    112,403.60x = 168,581.10 × 49,223.60
  4. Step 4: Simplify right side
    112,403.60x = 8,298,168,633.96
  5. Step 5: Solve for x
    x = 8,298,168,633.96/112,403.60
  6. Step 6: Final answer
    x = 73,824.76

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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.