Home / 124,148.96-171,321.99-70,438.94

Finding the Fourth Proportional to 124,148.96, 171,321.99 and 70,438.94

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Solution

The fourth proportional to 124,148.96, 171,321.99 and 70,438.94 is: 97,203.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,148.96 : 171,321.99 = 70,438.94 : x
  2. Step 2: Convert to fraction form
    124,148.96/171,321.99 = 70,438.94/x
  3. Step 3: Cross multiply
    124,148.96x = 171,321.99 × 70,438.94
  4. Step 4: Simplify right side
    124,148.96x = 12,067,739,374.29
  5. Step 5: Solve for x
    x = 12,067,739,374.29/124,148.96
  6. Step 6: Final answer
    x = 97,203.71

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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.