Home / 58,748.66-81,115.28-36,118

Finding the Fourth Proportional to 58,748.66, 81,115.28 and 36,118

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Solution

The fourth proportional to 58,748.66, 81,115.28 and 36,118 is: 49,868.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,748.66 : 81,115.28 = 36,118 : x
  2. Step 2: Convert to fraction form
    58,748.66/81,115.28 = 36,118/x
  3. Step 3: Cross multiply
    58,748.66x = 81,115.28 × 36,118
  4. Step 4: Simplify right side
    58,748.66x = 2,929,721,683.04
  5. Step 5: Solve for x
    x = 2,929,721,683.04/58,748.66
  6. Step 6: Final answer
    x = 49,868.74

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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.