Home / 64,936.78-89,612.28-36,254.75

Finding the Fourth Proportional to 64,936.78, 89,612.28 and 36,254.75

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Solution

The fourth proportional to 64,936.78, 89,612.28 and 36,254.75 is: 50,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,936.78 : 89,612.28 = 36,254.75 : x
  2. Step 2: Convert to fraction form
    64,936.78/89,612.28 = 36,254.75/x
  3. Step 3: Cross multiply
    64,936.78x = 89,612.28 × 36,254.75
  4. Step 4: Simplify right side
    64,936.78x = 3,248,870,360.27
  5. Step 5: Solve for x
    x = 3,248,870,360.27/64,936.78
  6. Step 6: Final answer
    x = 50,031.28

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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.