Home / 64,675.36-89,043.42-50,317.60

Finding the Fourth Proportional to 64,675.36, 89,043.42 and 50,317.60

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Solution

The fourth proportional to 64,675.36, 89,043.42 and 50,317.60 is: 69,276.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,675.36 : 89,043.42 = 50,317.60 : x
  2. Step 2: Convert to fraction form
    64,675.36/89,043.42 = 50,317.60/x
  3. Step 3: Cross multiply
    64,675.36x = 89,043.42 × 50,317.60
  4. Step 4: Simplify right side
    64,675.36x = 4,480,451,190.19
  5. Step 5: Solve for x
    x = 4,480,451,190.19/64,675.36
  6. Step 6: Final answer
    x = 69,276.01

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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.