Home / 64,960.21-89,645.34-35,152.21

Finding the Fourth Proportional to 64,960.21, 89,645.34 and 35,152.21

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Solution

The fourth proportional to 64,960.21, 89,645.34 and 35,152.21 is: 48,510.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,960.21 : 89,645.34 = 35,152.21 : x
  2. Step 2: Convert to fraction form
    64,960.21/89,645.34 = 35,152.21/x
  3. Step 3: Cross multiply
    64,960.21x = 89,645.34 × 35,152.21
  4. Step 4: Simplify right side
    64,960.21x = 3,151,231,817.20
  5. Step 5: Solve for x
    x = 3,151,231,817.20/64,960.21
  6. Step 6: Final answer
    x = 48,510.19

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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.