Home / 83,236.60-114,853.62-47,428.12

Finding the Fourth Proportional to 83,236.60, 114,853.62 and 47,428.12

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Solution

The fourth proportional to 83,236.60, 114,853.62 and 47,428.12 is: 65,443.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,236.60 : 114,853.62 = 47,428.12 : x
  2. Step 2: Convert to fraction form
    83,236.60/114,853.62 = 47,428.12/x
  3. Step 3: Cross multiply
    83,236.60x = 114,853.62 × 47,428.12
  4. Step 4: Simplify right side
    83,236.60x = 5,447,291,271.79
  5. Step 5: Solve for x
    x = 5,447,291,271.79/83,236.60
  6. Step 6: Final answer
    x = 65,443.46

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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.