Home / 42,572.04-63,858.02-11,406.44

Finding the Fourth Proportional to 42,572.04, 63,858.02 and 11,406.44

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Solution

The fourth proportional to 42,572.04, 63,858.02 and 11,406.44 is: 17,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,572.04 : 63,858.02 = 11,406.44 : x
  2. Step 2: Convert to fraction form
    42,572.04/63,858.02 = 11,406.44/x
  3. Step 3: Cross multiply
    42,572.04x = 63,858.02 × 11,406.44
  4. Step 4: Simplify right side
    42,572.04x = 728,392,673.65
  5. Step 5: Solve for x
    x = 728,392,673.65/42,572.04
  6. Step 6: Final answer
    x = 17,109.65

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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.