Home / 48,317.14-66,615.93-31,291.30

Finding the Fourth Proportional to 48,317.14, 66,615.93 and 31,291.30

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Solution

The fourth proportional to 48,317.14, 66,615.93 and 31,291.30 is: 43,142.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,317.14 : 66,615.93 = 31,291.30 : x
  2. Step 2: Convert to fraction form
    48,317.14/66,615.93 = 31,291.30/x
  3. Step 3: Cross multiply
    48,317.14x = 66,615.93 × 31,291.30
  4. Step 4: Simplify right side
    48,317.14x = 2,084,499,050.41
  5. Step 5: Solve for x
    x = 2,084,499,050.41/48,317.14
  6. Step 6: Final answer
    x = 43,142.02

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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.