Home / 63,012.15-86,837.18-45,076.05

Finding the Fourth Proportional to 63,012.15, 86,837.18 and 45,076.05

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Solution

The fourth proportional to 63,012.15, 86,837.18 and 45,076.05 is: 62,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,012.15 : 86,837.18 = 45,076.05 : x
  2. Step 2: Convert to fraction form
    63,012.15/86,837.18 = 45,076.05/x
  3. Step 3: Cross multiply
    63,012.15x = 86,837.18 × 45,076.05
  4. Step 4: Simplify right side
    63,012.15x = 3,914,276,842.16
  5. Step 5: Solve for x
    x = 3,914,276,842.16/63,012.15
  6. Step 6: Final answer
    x = 62,119.40

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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.