Home / 55,979.12-77,247.96-33,618.80

Finding the Fourth Proportional to 55,979.12, 77,247.96 and 33,618.80

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Solution

The fourth proportional to 55,979.12, 77,247.96 and 33,618.80 is: 46,392.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,979.12 : 77,247.96 = 33,618.80 : x
  2. Step 2: Convert to fraction form
    55,979.12/77,247.96 = 33,618.80/x
  3. Step 3: Cross multiply
    55,979.12x = 77,247.96 × 33,618.80
  4. Step 4: Simplify right side
    55,979.12x = 2,596,983,717.65
  5. Step 5: Solve for x
    x = 2,596,983,717.65/55,979.12
  6. Step 6: Final answer
    x = 46,392.01

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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.