Home / 47,898.04-71,847.96-12,837.40

Finding the Fourth Proportional to 47,898.04, 71,847.96 and 12,837.40

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Solution

The fourth proportional to 47,898.04, 71,847.96 and 12,837.40 is: 19,256.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,898.04 : 71,847.96 = 12,837.40 : x
  2. Step 2: Convert to fraction form
    47,898.04/71,847.96 = 12,837.40/x
  3. Step 3: Cross multiply
    47,898.04x = 71,847.96 × 12,837.40
  4. Step 4: Simplify right side
    47,898.04x = 922,341,001.70
  5. Step 5: Solve for x
    x = 922,341,001.70/47,898.04
  6. Step 6: Final answer
    x = 19,256.34

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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.