Home / 64,977.62-89,669.25-35,169.62

Finding the Fourth Proportional to 64,977.62, 89,669.25 and 35,169.62

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Solution

The fourth proportional to 64,977.62, 89,669.25 and 35,169.62 is: 48,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,977.62 : 89,669.25 = 35,169.62 : x
  2. Step 2: Convert to fraction form
    64,977.62/89,669.25 = 35,169.62/x
  3. Step 3: Cross multiply
    64,977.62x = 89,669.25 × 35,169.62
  4. Step 4: Simplify right side
    64,977.62x = 3,153,633,448.19
  5. Step 5: Solve for x
    x = 3,153,633,448.19/64,977.62
  6. Step 6: Final answer
    x = 48,534.15

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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.