Home / 85,175.60-127,791.83-37,784.17

Finding the Fourth Proportional to 85,175.60, 127,791.83 and 37,784.17

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Solution

The fourth proportional to 85,175.60, 127,791.83 and 37,784.17 is: 56,688.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,175.60 : 127,791.83 = 37,784.17 : x
  2. Step 2: Convert to fraction form
    85,175.60/127,791.83 = 37,784.17/x
  3. Step 3: Cross multiply
    85,175.60x = 127,791.83 × 37,784.17
  4. Step 4: Simplify right side
    85,175.60x = 4,828,508,271.00
  5. Step 5: Solve for x
    x = 4,828,508,271.00/85,175.60
  6. Step 6: Final answer
    x = 56,688.87

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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.