Home / 47,111.20-70,666.80-19,044.70

Finding the Fourth Proportional to 47,111.20, 70,666.80 and 19,044.70

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Solution

The fourth proportional to 47,111.20, 70,666.80 and 19,044.70 is: 28,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,111.20 : 70,666.80 = 19,044.70 : x
  2. Step 2: Convert to fraction form
    47,111.20/70,666.80 = 19,044.70/x
  3. Step 3: Cross multiply
    47,111.20x = 70,666.80 × 19,044.70
  4. Step 4: Simplify right side
    47,111.20x = 1,345,828,005.96
  5. Step 5: Solve for x
    x = 1,345,828,005.96/47,111.20
  6. Step 6: Final answer
    x = 28,567.05

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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.