Home / 64,915.08-89,586.99-36,620.16

Finding the Fourth Proportional to 64,915.08, 89,586.99 and 36,620.16

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Solution

The fourth proportional to 64,915.08, 89,586.99 and 36,620.16 is: 50,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,915.08 : 89,586.99 = 36,620.16 : x
  2. Step 2: Convert to fraction form
    64,915.08/89,586.99 = 36,620.16/x
  3. Step 3: Cross multiply
    64,915.08x = 89,586.99 × 36,620.16
  4. Step 4: Simplify right side
    64,915.08x = 3,280,689,907.72
  5. Step 5: Solve for x
    x = 3,280,689,907.72/64,915.08
  6. Step 6: Final answer
    x = 50,538.18

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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.