Home / 113,820.91-157,068.74-62,832.55

Finding the Fourth Proportional to 113,820.91, 157,068.74 and 62,832.55

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Solution

The fourth proportional to 113,820.91, 157,068.74 and 62,832.55 is: 86,706.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,820.91 : 157,068.74 = 62,832.55 : x
  2. Step 2: Convert to fraction form
    113,820.91/157,068.74 = 62,832.55/x
  3. Step 3: Cross multiply
    113,820.91x = 157,068.74 × 62,832.55
  4. Step 4: Simplify right side
    113,820.91x = 9,869,028,359.98
  5. Step 5: Solve for x
    x = 9,869,028,359.98/113,820.91
  6. Step 6: Final answer
    x = 86,706.64

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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.