Home / 47,122.17-70,683.21-12,061.77

Finding the Fourth Proportional to 47,122.17, 70,683.21 and 12,061.77

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Solution

The fourth proportional to 47,122.17, 70,683.21 and 12,061.77 is: 18,092.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,122.17 : 70,683.21 = 12,061.77 : x
  2. Step 2: Convert to fraction form
    47,122.17/70,683.21 = 12,061.77/x
  3. Step 3: Cross multiply
    47,122.17x = 70,683.21 × 12,061.77
  4. Step 4: Simplify right side
    47,122.17x = 852,564,621.88
  5. Step 5: Solve for x
    x = 852,564,621.88/47,122.17
  6. Step 6: Final answer
    x = 18,092.64

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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.