Home / 63,579.90-87,646.56-48,446.31

Finding the Fourth Proportional to 63,579.90, 87,646.56 and 48,446.31

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Solution

The fourth proportional to 63,579.90, 87,646.56 and 48,446.31 is: 66,784.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,579.90 : 87,646.56 = 48,446.31 : x
  2. Step 2: Convert to fraction form
    63,579.90/87,646.56 = 48,446.31/x
  3. Step 3: Cross multiply
    63,579.90x = 87,646.56 × 48,446.31
  4. Step 4: Simplify right side
    63,579.90x = 4,246,152,416.19
  5. Step 5: Solve for x
    x = 4,246,152,416.19/63,579.90
  6. Step 6: Final answer
    x = 66,784.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.