Home / 47,158.02-70,727.04-13,869.04

Finding the Fourth Proportional to 47,158.02, 70,727.04 and 13,869.04

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Solution

The fourth proportional to 47,158.02, 70,727.04 and 13,869.04 is: 20,800.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,158.02 : 70,727.04 = 13,869.04 : x
  2. Step 2: Convert to fraction form
    47,158.02/70,727.04 = 13,869.04/x
  3. Step 3: Cross multiply
    47,158.02x = 70,727.04 × 13,869.04
  4. Step 4: Simplify right side
    47,158.02x = 980,916,146.84
  5. Step 5: Solve for x
    x = 980,916,146.84/47,158.02
  6. Step 6: Final answer
    x = 20,800.62

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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.