Home / 53,700.96-73,949.81-49,210.32

Finding the Fourth Proportional to 53,700.96, 73,949.81 and 49,210.32

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Solution

The fourth proportional to 53,700.96, 73,949.81 and 49,210.32 is: 67,765.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,700.96 : 73,949.81 = 49,210.32 : x
  2. Step 2: Convert to fraction form
    53,700.96/73,949.81 = 49,210.32/x
  3. Step 3: Cross multiply
    53,700.96x = 73,949.81 × 49,210.32
  4. Step 4: Simplify right side
    53,700.96x = 3,639,093,567.99
  5. Step 5: Solve for x
    x = 3,639,093,567.99/53,700.96
  6. Step 6: Final answer
    x = 67,765.89

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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.