Home / 64,735.04-89,327.76-36,439.04

Finding the Fourth Proportional to 64,735.04, 89,327.76 and 36,439.04

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Solution

The fourth proportional to 64,735.04, 89,327.76 and 36,439.04 is: 50,282.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,735.04 : 89,327.76 = 36,439.04 : x
  2. Step 2: Convert to fraction form
    64,735.04/89,327.76 = 36,439.04/x
  3. Step 3: Cross multiply
    64,735.04x = 89,327.76 × 36,439.04
  4. Step 4: Simplify right side
    64,735.04x = 3,255,017,819.75
  5. Step 5: Solve for x
    x = 3,255,017,819.75/64,735.04
  6. Step 6: Final answer
    x = 50,282.16

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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.