Home / 65,427.75-90,291.51-37,135.26

Finding the Fourth Proportional to 65,427.75, 90,291.51 and 37,135.26

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Solution

The fourth proportional to 65,427.75, 90,291.51 and 37,135.26 is: 51,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,427.75 : 90,291.51 = 37,135.26 : x
  2. Step 2: Convert to fraction form
    65,427.75/90,291.51 = 37,135.26/x
  3. Step 3: Cross multiply
    65,427.75x = 90,291.51 × 37,135.26
  4. Step 4: Simplify right side
    65,427.75x = 3,352,998,699.64
  5. Step 5: Solve for x
    x = 3,352,998,699.64/65,427.75
  6. Step 6: Final answer
    x = 51,247.35

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1.5x scale

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.