Home / 43,569.60-64,861.68-43,310.40

Finding the Fourth Proportional to 43,569.60, 64,861.68 and 43,310.40

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Solution

The fourth proportional to 43,569.60, 64,861.68 and 43,310.40 is: 64,475.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,569.60 : 64,861.68 = 43,310.40 : x
  2. Step 2: Convert to fraction form
    43,569.60/64,861.68 = 43,310.40/x
  3. Step 3: Cross multiply
    43,569.60x = 64,861.68 × 43,310.40
  4. Step 4: Simplify right side
    43,569.60x = 2,809,185,305.47
  5. Step 5: Solve for x
    x = 2,809,185,305.47/43,569.60
  6. Step 6: Final answer
    x = 64,475.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.