Home / 113,861.32-157,127.94-62,877.28

Finding the Fourth Proportional to 113,861.32, 157,127.94 and 62,877.28

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Solution

The fourth proportional to 113,861.32, 157,127.94 and 62,877.28 is: 86,770.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,861.32 : 157,127.94 = 62,877.28 : x
  2. Step 2: Convert to fraction form
    113,861.32/157,127.94 = 62,877.28/x
  3. Step 3: Cross multiply
    113,861.32x = 157,127.94 × 62,877.28
  4. Step 4: Simplify right side
    113,861.32x = 9,879,777,479.20
  5. Step 5: Solve for x
    x = 9,879,777,479.20/113,861.32
  6. Step 6: Final answer
    x = 86,770.27

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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.