Home / 124,031.58-171,149.32-70,305.90

Finding the Fourth Proportional to 124,031.58, 171,149.32 and 70,305.90

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Solution

The fourth proportional to 124,031.58, 171,149.32 and 70,305.90 is: 97,014.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,031.58 : 171,149.32 = 70,305.90 : x
  2. Step 2: Convert to fraction form
    124,031.58/171,149.32 = 70,305.90/x
  3. Step 3: Cross multiply
    124,031.58x = 171,149.32 × 70,305.90
  4. Step 4: Simplify right side
    124,031.58x = 12,032,806,976.99
  5. Step 5: Solve for x
    x = 12,032,806,976.99/124,031.58
  6. Step 6: Final answer
    x = 97,014.06

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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.