Home / 75,336.60-112,875.30-49,027.80

Finding the Fourth Proportional to 75,336.60, 112,875.30 and 49,027.80

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Solution

The fourth proportional to 75,336.60, 112,875.30 and 49,027.80 is: 73,457.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,336.60 : 112,875.30 = 49,027.80 : x
  2. Step 2: Convert to fraction form
    75,336.60/112,875.30 = 49,027.80/x
  3. Step 3: Cross multiply
    75,336.60x = 112,875.30 × 49,027.80
  4. Step 4: Simplify right side
    75,336.60x = 5,534,027,633.34
  5. Step 5: Solve for x
    x = 5,534,027,633.34/75,336.60
  6. Step 6: Final answer
    x = 73,457.36

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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.