Home / 64,715.28-89,334.64-43,506.85

Finding the Fourth Proportional to 64,715.28, 89,334.64 and 43,506.85

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Solution

The fourth proportional to 64,715.28, 89,334.64 and 43,506.85 is: 60,057.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,715.28 : 89,334.64 = 43,506.85 : x
  2. Step 2: Convert to fraction form
    64,715.28/89,334.64 = 43,506.85/x
  3. Step 3: Cross multiply
    64,715.28x = 89,334.64 × 43,506.85
  4. Step 4: Simplify right side
    64,715.28x = 3,886,668,667.71
  5. Step 5: Solve for x
    x = 3,886,668,667.71/64,715.28
  6. Step 6: Final answer
    x = 60,057.97

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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.