Home / 79,252.08-118,169.58-77,074.80

Finding the Fourth Proportional to 79,252.08, 118,169.58 and 77,074.80

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Solution

The fourth proportional to 79,252.08, 118,169.58 and 77,074.80 is: 114,923.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,252.08 : 118,169.58 = 77,074.80 : x
  2. Step 2: Convert to fraction form
    79,252.08/118,169.58 = 77,074.80/x
  3. Step 3: Cross multiply
    79,252.08x = 118,169.58 × 77,074.80
  4. Step 4: Simplify right side
    79,252.08x = 9,107,896,744.58
  5. Step 5: Solve for x
    x = 9,107,896,744.58/79,252.08
  6. Step 6: Final answer
    x = 114,923.13

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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.