Home / 85,165.74-117,528.73-49,376.52

Finding the Fourth Proportional to 85,165.74, 117,528.73 and 49,376.52

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Solution

The fourth proportional to 85,165.74, 117,528.73 and 49,376.52 is: 68,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,165.74 : 117,528.73 = 49,376.52 : x
  2. Step 2: Convert to fraction form
    85,165.74/117,528.73 = 49,376.52/x
  3. Step 3: Cross multiply
    85,165.74x = 117,528.73 × 49,376.52
  4. Step 4: Simplify right side
    85,165.74x = 5,803,159,563.98
  5. Step 5: Solve for x
    x = 5,803,159,563.98/85,165.74
  6. Step 6: Final answer
    x = 68,139.60

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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.