Home / 65,681.25-90,640.23-37,386.94

Finding the Fourth Proportional to 65,681.25, 90,640.23 and 37,386.94

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Solution

The fourth proportional to 65,681.25, 90,640.23 and 37,386.94 is: 51,594.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,681.25 : 90,640.23 = 37,386.94 : x
  2. Step 2: Convert to fraction form
    65,681.25/90,640.23 = 37,386.94/x
  3. Step 3: Cross multiply
    65,681.25x = 90,640.23 × 37,386.94
  4. Step 4: Simplify right side
    65,681.25x = 3,388,760,840.60
  5. Step 5: Solve for x
    x = 3,388,760,840.60/65,681.25
  6. Step 6: Final answer
    x = 51,594.04

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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.