Home / 56,066.81-77,706.14-55,017.05

Finding the Fourth Proportional to 56,066.81, 77,706.14 and 55,017.05

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Solution

The fourth proportional to 56,066.81, 77,706.14 and 55,017.05 is: 76,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,066.81 : 77,706.14 = 55,017.05 : x
  2. Step 2: Convert to fraction form
    56,066.81/77,706.14 = 55,017.05/x
  3. Step 3: Cross multiply
    56,066.81x = 77,706.14 × 55,017.05
  4. Step 4: Simplify right side
    56,066.81x = 4,275,161,926.07
  5. Step 5: Solve for x
    x = 4,275,161,926.07/56,066.81
  6. Step 6: Final answer
    x = 76,251.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.