Home / 70,998.21-97,977.85-39,167.10

Finding the Fourth Proportional to 70,998.21, 97,977.85 and 39,167.10

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Solution

The fourth proportional to 70,998.21, 97,977.85 and 39,167.10 is: 54,050.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,998.21 : 97,977.85 = 39,167.10 : x
  2. Step 2: Convert to fraction form
    70,998.21/97,977.85 = 39,167.10/x
  3. Step 3: Cross multiply
    70,998.21x = 97,977.85 × 39,167.10
  4. Step 4: Simplify right side
    70,998.21x = 3,837,508,248.74
  5. Step 5: Solve for x
    x = 3,837,508,248.74/70,998.21
  6. Step 6: Final answer
    x = 54,050.77

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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.