Home / 74,252.59-111,112.81-64,291.69

Finding the Fourth Proportional to 74,252.59, 111,112.81 and 64,291.69

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Solution

The fourth proportional to 74,252.59, 111,112.81 and 64,291.69 is: 96,207.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,252.59 : 111,112.81 = 64,291.69 : x
  2. Step 2: Convert to fraction form
    74,252.59/111,112.81 = 64,291.69/x
  3. Step 3: Cross multiply
    74,252.59x = 111,112.81 × 64,291.69
  4. Step 4: Simplify right side
    74,252.59x = 7,143,630,206.59
  5. Step 5: Solve for x
    x = 7,143,630,206.59/74,252.59
  6. Step 6: Final answer
    x = 96,207.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.