Home / 62,139.19-85,724.79-41,988.72

Finding the Fourth Proportional to 62,139.19, 85,724.79 and 41,988.72

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Solution

The fourth proportional to 62,139.19, 85,724.79 and 41,988.72 is: 57,925.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,139.19 : 85,724.79 = 41,988.72 : x
  2. Step 2: Convert to fraction form
    62,139.19/85,724.79 = 41,988.72/x
  3. Step 3: Cross multiply
    62,139.19x = 85,724.79 × 41,988.72
  4. Step 4: Simplify right side
    62,139.19x = 3,599,474,204.37
  5. Step 5: Solve for x
    x = 3,599,474,204.37/62,139.19
  6. Step 6: Final answer
    x = 57,925.99

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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.