Home / 84,836.28-127,143.72-47,394.84

Finding the Fourth Proportional to 84,836.28, 127,143.72 and 47,394.84

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Solution

The fourth proportional to 84,836.28, 127,143.72 and 47,394.84 is: 71,030.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,836.28 : 127,143.72 = 47,394.84 : x
  2. Step 2: Convert to fraction form
    84,836.28/127,143.72 = 47,394.84/x
  3. Step 3: Cross multiply
    84,836.28x = 127,143.72 × 47,394.84
  4. Step 4: Simplify right side
    84,836.28x = 6,025,956,266.40
  5. Step 5: Solve for x
    x = 6,025,956,266.40/84,836.28
  6. Step 6: Final answer
    x = 71,030.42

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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.