Home / 52,671.48-78,970.23-19,387.23

Finding the Fourth Proportional to 52,671.48, 78,970.23 and 19,387.23

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Solution

The fourth proportional to 52,671.48, 78,970.23 and 19,387.23 is: 29,067.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,671.48 : 78,970.23 = 19,387.23 : x
  2. Step 2: Convert to fraction form
    52,671.48/78,970.23 = 19,387.23/x
  3. Step 3: Cross multiply
    52,671.48x = 78,970.23 × 19,387.23
  4. Step 4: Simplify right side
    52,671.48x = 1,531,014,012.16
  5. Step 5: Solve for x
    x = 1,531,014,012.16/52,671.48
  6. Step 6: Final answer
    x = 29,067.23

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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.