Home / 56,657.22-84,998.18-18,708.15

Finding the Fourth Proportional to 56,657.22, 84,998.18 and 18,708.15

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Solution

The fourth proportional to 56,657.22, 84,998.18 and 18,708.15 is: 28,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,657.22 : 84,998.18 = 18,708.15 : x
  2. Step 2: Convert to fraction form
    56,657.22/84,998.18 = 18,708.15/x
  3. Step 3: Cross multiply
    56,657.22x = 84,998.18 × 18,708.15
  4. Step 4: Simplify right side
    56,657.22x = 1,590,158,701.17
  5. Step 5: Solve for x
    x = 1,590,158,701.17/56,657.22
  6. Step 6: Final answer
    x = 28,066.30

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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.