Home / 65,201.75-89,946.64-42,530.46

Finding the Fourth Proportional to 65,201.75, 89,946.64 and 42,530.46

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Solution

The fourth proportional to 65,201.75, 89,946.64 and 42,530.46 is: 58,671.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,201.75 : 89,946.64 = 42,530.46 : x
  2. Step 2: Convert to fraction form
    65,201.75/89,946.64 = 42,530.46/x
  3. Step 3: Cross multiply
    65,201.75x = 89,946.64 × 42,530.46
  4. Step 4: Simplify right side
    65,201.75x = 3,825,471,974.65
  5. Step 5: Solve for x
    x = 3,825,471,974.65/65,201.75
  6. Step 6: Final answer
    x = 58,671.31

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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.