Home / 65,816.39-90,826.66-37,142.16

Finding the Fourth Proportional to 65,816.39, 90,826.66 and 37,142.16

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Solution

The fourth proportional to 65,816.39, 90,826.66 and 37,142.16 is: 51,256.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,816.39 : 90,826.66 = 37,142.16 : x
  2. Step 2: Convert to fraction form
    65,816.39/90,826.66 = 37,142.16/x
  3. Step 3: Cross multiply
    65,816.39x = 90,826.66 × 37,142.16
  4. Step 4: Simplify right side
    65,816.39x = 3,373,498,554.71
  5. Step 5: Solve for x
    x = 3,373,498,554.71/65,816.39
  6. Step 6: Final answer
    x = 51,256.21

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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.