Home / 64,916.16-89,584.32-36,627.84

Finding the Fourth Proportional to 64,916.16, 89,584.32 and 36,627.84

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Solution

The fourth proportional to 64,916.16, 89,584.32 and 36,627.84 is: 50,546.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,916.16 : 89,584.32 = 36,627.84 : x
  2. Step 2: Convert to fraction form
    64,916.16/89,584.32 = 36,627.84/x
  3. Step 3: Cross multiply
    64,916.16x = 89,584.32 × 36,627.84
  4. Step 4: Simplify right side
    64,916.16x = 3,281,280,139.47
  5. Step 5: Solve for x
    x = 3,281,280,139.47/64,916.16
  6. Step 6: Final answer
    x = 50,546.43

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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.