Home / 65,429.10-90,292.59-37,135.26

Finding the Fourth Proportional to 65,429.10, 90,292.59 and 37,135.26

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Solution

The fourth proportional to 65,429.10, 90,292.59 and 37,135.26 is: 51,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,429.10 : 90,292.59 = 37,135.26 : x
  2. Step 2: Convert to fraction form
    65,429.10/90,292.59 = 37,135.26/x
  3. Step 3: Cross multiply
    65,429.10x = 90,292.59 × 37,135.26
  4. Step 4: Simplify right side
    65,429.10x = 3,353,038,805.72
  5. Step 5: Solve for x
    x = 3,353,038,805.72/65,429.10
  6. Step 6: Final answer
    x = 51,246.90

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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.