Home / 52,965.79-73,140.23-39,513.68

Finding the Fourth Proportional to 52,965.79, 73,140.23 and 39,513.68

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Solution

The fourth proportional to 52,965.79, 73,140.23 and 39,513.68 is: 54,564.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,965.79 : 73,140.23 = 39,513.68 : x
  2. Step 2: Convert to fraction form
    52,965.79/73,140.23 = 39,513.68/x
  3. Step 3: Cross multiply
    52,965.79x = 73,140.23 × 39,513.68
  4. Step 4: Simplify right side
    52,965.79x = 2,890,039,643.35
  5. Step 5: Solve for x
    x = 2,890,039,643.35/52,965.79
  6. Step 6: Final answer
    x = 54,564.27

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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.