Home / 55,116.04-82,672.69-17,678.75

Finding the Fourth Proportional to 55,116.04, 82,672.69 and 17,678.75

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Solution

The fourth proportional to 55,116.04, 82,672.69 and 17,678.75 is: 26,517.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,116.04 : 82,672.69 = 17,678.75 : x
  2. Step 2: Convert to fraction form
    55,116.04/82,672.69 = 17,678.75/x
  3. Step 3: Cross multiply
    55,116.04x = 82,672.69 × 17,678.75
  4. Step 4: Simplify right side
    55,116.04x = 1,461,549,908.68
  5. Step 5: Solve for x
    x = 1,461,549,908.68/55,116.04
  6. Step 6: Final answer
    x = 26,517.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.