Home / 103,031.18-154,546.77-56,258.54

Finding the Fourth Proportional to 103,031.18, 154,546.77 and 56,258.54

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Solution

The fourth proportional to 103,031.18, 154,546.77 and 56,258.54 is: 84,387.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,031.18 : 154,546.77 = 56,258.54 : x
  2. Step 2: Convert to fraction form
    103,031.18/154,546.77 = 56,258.54/x
  3. Step 3: Cross multiply
    103,031.18x = 154,546.77 × 56,258.54
  4. Step 4: Simplify right side
    103,031.18x = 8,694,575,641.92
  5. Step 5: Solve for x
    x = 8,694,575,641.92/103,031.18
  6. Step 6: Final answer
    x = 84,387.81

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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.