Home / 47,156.83-70,720.24-15,561.00

Finding the Fourth Proportional to 47,156.83, 70,720.24 and 15,561.00

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Solution

The fourth proportional to 47,156.83, 70,720.24 and 15,561.00 is: 23,336.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,156.83 : 70,720.24 = 15,561.00 : x
  2. Step 2: Convert to fraction form
    47,156.83/70,720.24 = 15,561.00/x
  3. Step 3: Cross multiply
    47,156.83x = 70,720.24 × 15,561.00
  4. Step 4: Simplify right side
    47,156.83x = 1,100,477,545.46
  5. Step 5: Solve for x
    x = 1,100,477,545.46/47,156.83
  6. Step 6: Final answer
    x = 23,336.55

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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.