Home / 64,953.20-89,635.67-35,145.20

Finding the Fourth Proportional to 64,953.20, 89,635.67 and 35,145.20

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Solution

The fourth proportional to 64,953.20, 89,635.67 and 35,145.20 is: 48,500.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,953.20 : 89,635.67 = 35,145.20 : x
  2. Step 2: Convert to fraction form
    64,953.20/89,635.67 = 35,145.20/x
  3. Step 3: Cross multiply
    64,953.20x = 89,635.67 × 35,145.20
  4. Step 4: Simplify right side
    64,953.20x = 3,150,262,925.38
  5. Step 5: Solve for x
    x = 3,150,262,925.38/64,953.20
  6. Step 6: Final answer
    x = 48,500.51

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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.