Home / 65,870.32-90,953.44-60,832.70

Finding the Fourth Proportional to 65,870.32, 90,953.44 and 60,832.70

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Solution

The fourth proportional to 65,870.32, 90,953.44 and 60,832.70 is: 83,997.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,870.32 : 90,953.44 = 60,832.70 : x
  2. Step 2: Convert to fraction form
    65,870.32/90,953.44 = 60,832.70/x
  3. Step 3: Cross multiply
    65,870.32x = 90,953.44 × 60,832.70
  4. Step 4: Simplify right side
    65,870.32x = 5,532,942,722.64
  5. Step 5: Solve for x
    x = 5,532,942,722.64/65,870.32
  6. Step 6: Final answer
    x = 83,997.51

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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.