Home / 48,475.43-72,714.76-13,412.15

Finding the Fourth Proportional to 48,475.43, 72,714.76 and 13,412.15

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Solution

The fourth proportional to 48,475.43, 72,714.76 and 13,412.15 is: 20,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,475.43 : 72,714.76 = 13,412.15 : x
  2. Step 2: Convert to fraction form
    48,475.43/72,714.76 = 13,412.15/x
  3. Step 3: Cross multiply
    48,475.43x = 72,714.76 × 13,412.15
  4. Step 4: Simplify right side
    48,475.43x = 975,261,268.33
  5. Step 5: Solve for x
    x = 975,261,268.33/48,475.43
  6. Step 6: Final answer
    x = 20,118.67

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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.