Home / 65,914.64-90,971.92-37,627.28

Finding the Fourth Proportional to 65,914.64, 90,971.92 and 37,627.28

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Solution

The fourth proportional to 65,914.64, 90,971.92 and 37,627.28 is: 51,931.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,914.64 : 90,971.92 = 37,627.28 : x
  2. Step 2: Convert to fraction form
    65,914.64/90,971.92 = 37,627.28/x
  3. Step 3: Cross multiply
    65,914.64x = 90,971.92 × 37,627.28
  4. Step 4: Simplify right side
    65,914.64x = 3,423,025,905.98
  5. Step 5: Solve for x
    x = 3,423,025,905.98/65,914.64
  6. Step 6: Final answer
    x = 51,931.19

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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.