Home / 64,904.56-89,569.46-38,066.43

Finding the Fourth Proportional to 64,904.56, 89,569.46 and 38,066.43

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Solution

The fourth proportional to 64,904.56, 89,569.46 and 38,066.43 is: 52,532.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,904.56 : 89,569.46 = 38,066.43 : x
  2. Step 2: Convert to fraction form
    64,904.56/89,569.46 = 38,066.43/x
  3. Step 3: Cross multiply
    64,904.56x = 89,569.46 × 38,066.43
  4. Step 4: Simplify right side
    64,904.56x = 3,409,589,579.23
  5. Step 5: Solve for x
    x = 3,409,589,579.23/64,904.56
  6. Step 6: Final answer
    x = 52,532.36

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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.