Home / 70,090.11-96,723.51-39,875.37

Finding the Fourth Proportional to 70,090.11, 96,723.51 and 39,875.37

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Solution

The fourth proportional to 70,090.11, 96,723.51 and 39,875.37 is: 55,027.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,090.11 : 96,723.51 = 39,875.37 : x
  2. Step 2: Convert to fraction form
    70,090.11/96,723.51 = 39,875.37/x
  3. Step 3: Cross multiply
    70,090.11x = 96,723.51 × 39,875.37
  4. Step 4: Simplify right side
    70,090.11x = 3,856,885,748.95
  5. Step 5: Solve for x
    x = 3,856,885,748.95/70,090.11
  6. Step 6: Final answer
    x = 55,027.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.