Home / 85,097.40-117,357.96-53,269.20

Finding the Fourth Proportional to 85,097.40, 117,357.96 and 53,269.20

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Solution

The fourth proportional to 85,097.40, 117,357.96 and 53,269.20 is: 73,463.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,097.40 : 117,357.96 = 53,269.20 : x
  2. Step 2: Convert to fraction form
    85,097.40/117,357.96 = 53,269.20/x
  3. Step 3: Cross multiply
    85,097.40x = 117,357.96 × 53,269.20
  4. Step 4: Simplify right side
    85,097.40x = 6,251,564,642.83
  5. Step 5: Solve for x
    x = 6,251,564,642.83/85,097.40
  6. Step 6: Final answer
    x = 73,463.64

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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.