Home / 42,705.48-63,980.46-41,772.36

Finding the Fourth Proportional to 42,705.48, 63,980.46 and 41,772.36

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Solution

The fourth proportional to 42,705.48, 63,980.46 and 41,772.36 is: 62,582.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,705.48 : 63,980.46 = 41,772.36 : x
  2. Step 2: Convert to fraction form
    42,705.48/63,980.46 = 41,772.36/x
  3. Step 3: Cross multiply
    42,705.48x = 63,980.46 × 41,772.36
  4. Step 4: Simplify right side
    42,705.48x = 2,672,614,808.09
  5. Step 5: Solve for x
    x = 2,672,614,808.09/42,705.48
  6. Step 6: Final answer
    x = 62,582.48

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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.