Home / 65,435.10-90,300.87-37,141.26

Finding the Fourth Proportional to 65,435.10, 90,300.87 and 37,141.26

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Solution

The fourth proportional to 65,435.10, 90,300.87 and 37,141.26 is: 51,255.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,435.10 : 90,300.87 = 37,141.26 : x
  2. Step 2: Convert to fraction form
    65,435.10/90,300.87 = 37,141.26/x
  3. Step 3: Cross multiply
    65,435.10x = 90,300.87 × 37,141.26
  4. Step 4: Simplify right side
    65,435.10x = 3,353,888,090.90
  5. Step 5: Solve for x
    x = 3,353,888,090.90/65,435.10
  6. Step 6: Final answer
    x = 51,255.18

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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.