Home / 64,994.28-89,697.60-36,705.12

Finding the Fourth Proportional to 64,994.28, 89,697.60 and 36,705.12

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Solution

The fourth proportional to 64,994.28, 89,697.60 and 36,705.12 is: 50,656.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,994.28 : 89,697.60 = 36,705.12 : x
  2. Step 2: Convert to fraction form
    64,994.28/89,697.60 = 36,705.12/x
  3. Step 3: Cross multiply
    64,994.28x = 89,697.60 × 36,705.12
  4. Step 4: Simplify right side
    64,994.28x = 3,292,361,171.71
  5. Step 5: Solve for x
    x = 3,292,361,171.71/64,994.28
  6. Step 6: Final answer
    x = 50,656.17

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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.