Home / 65,913.02-90,960.24-35,698.70

Finding the Fourth Proportional to 65,913.02, 90,960.24 and 35,698.70

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Solution

The fourth proportional to 65,913.02, 90,960.24 and 35,698.70 is: 49,264.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,913.02 : 90,960.24 = 35,698.70 : x
  2. Step 2: Convert to fraction form
    65,913.02/90,960.24 = 35,698.70/x
  3. Step 3: Cross multiply
    65,913.02x = 90,960.24 × 35,698.70
  4. Step 4: Simplify right side
    65,913.02x = 3,247,162,319.69
  5. Step 5: Solve for x
    x = 3,247,162,319.69/65,913.02
  6. Step 6: Final answer
    x = 49,264.35

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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.