Home / 82,923.90-114,344.64-56,019.72

Finding the Fourth Proportional to 82,923.90, 114,344.64 and 56,019.72

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Solution

The fourth proportional to 82,923.90, 114,344.64 and 56,019.72 is: 77,246.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,923.90 : 114,344.64 = 56,019.72 : x
  2. Step 2: Convert to fraction form
    82,923.90/114,344.64 = 56,019.72/x
  3. Step 3: Cross multiply
    82,923.90x = 114,344.64 × 56,019.72
  4. Step 4: Simplify right side
    82,923.90x = 6,405,554,716.30
  5. Step 5: Solve for x
    x = 6,405,554,716.30/82,923.90
  6. Step 6: Final answer
    x = 77,246.18

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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.