Home / 64,510.08-89,028.48-36,213.76

Finding the Fourth Proportional to 64,510.08, 89,028.48 and 36,213.76

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Solution

The fourth proportional to 64,510.08, 89,028.48 and 36,213.76 is: 49,977.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,510.08 : 89,028.48 = 36,213.76 : x
  2. Step 2: Convert to fraction form
    64,510.08/89,028.48 = 36,213.76/x
  3. Step 3: Cross multiply
    64,510.08x = 89,028.48 × 36,213.76
  4. Step 4: Simplify right side
    64,510.08x = 3,224,056,007.88
  5. Step 5: Solve for x
    x = 3,224,056,007.88/64,510.08
  6. Step 6: Final answer
    x = 49,977.55

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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.