Home / 47,176.77-70,765.16-12,116.46

Finding the Fourth Proportional to 47,176.77, 70,765.16 and 12,116.46

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Solution

The fourth proportional to 47,176.77, 70,765.16 and 12,116.46 is: 18,174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,176.77 : 70,765.16 = 12,116.46 : x
  2. Step 2: Convert to fraction form
    47,176.77/70,765.16 = 12,116.46/x
  3. Step 3: Cross multiply
    47,176.77x = 70,765.16 × 12,116.46
  4. Step 4: Simplify right side
    47,176.77x = 857,423,503.48
  5. Step 5: Solve for x
    x = 857,423,503.48/47,176.77
  6. Step 6: Final answer
    x = 18,174.70

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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.