Home / 85,495.44-117,983.46-47,769.72

Finding the Fourth Proportional to 85,495.44, 117,983.46 and 47,769.72

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Solution

The fourth proportional to 85,495.44, 117,983.46 and 47,769.72 is: 65,922.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,495.44 : 117,983.46 = 47,769.72 : x
  2. Step 2: Convert to fraction form
    85,495.44/117,983.46 = 47,769.72/x
  3. Step 3: Cross multiply
    85,495.44x = 117,983.46 × 47,769.72
  4. Step 4: Simplify right side
    85,495.44x = 5,636,036,848.83
  5. Step 5: Solve for x
    x = 5,636,036,848.83/85,495.44
  6. Step 6: Final answer
    x = 65,922.08

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1.5x scale

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.