Home / 82,988.57-114,523.68-47,178.59

Finding the Fourth Proportional to 82,988.57, 114,523.68 and 47,178.59

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Solution

The fourth proportional to 82,988.57, 114,523.68 and 47,178.59 is: 65,106.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,988.57 : 114,523.68 = 47,178.59 : x
  2. Step 2: Convert to fraction form
    82,988.57/114,523.68 = 47,178.59/x
  3. Step 3: Cross multiply
    82,988.57x = 114,523.68 × 47,178.59
  4. Step 4: Simplify right side
    82,988.57x = 5,403,065,171.39
  5. Step 5: Solve for x
    x = 5,403,065,171.39/82,988.57
  6. Step 6: Final answer
    x = 65,106.14

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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.