Home / 62,140.57-85,724.67-42,004.48

Finding the Fourth Proportional to 62,140.57, 85,724.67 and 42,004.48

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Solution

The fourth proportional to 62,140.57, 85,724.67 and 42,004.48 is: 57,946.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,140.57 : 85,724.67 = 42,004.48 : x
  2. Step 2: Convert to fraction form
    62,140.57/85,724.67 = 42,004.48/x
  3. Step 3: Cross multiply
    62,140.57x = 85,724.67 × 42,004.48
  4. Step 4: Simplify right side
    62,140.57x = 3,600,820,186.52
  5. Step 5: Solve for x
    x = 3,600,820,186.52/62,140.57
  6. Step 6: Final answer
    x = 57,946.37

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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.