Home / 84,956.58-127,434.31-28,836.21

Finding the Fourth Proportional to 84,956.58, 127,434.31 and 28,836.21

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Solution

The fourth proportional to 84,956.58, 127,434.31 and 28,836.21 is: 43,254.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,956.58 : 127,434.31 = 28,836.21 : x
  2. Step 2: Convert to fraction form
    84,956.58/127,434.31 = 28,836.21/x
  3. Step 3: Cross multiply
    84,956.58x = 127,434.31 × 28,836.21
  4. Step 4: Simplify right side
    84,956.58x = 3,674,721,743.01
  5. Step 5: Solve for x
    x = 3,674,721,743.01/84,956.58
  6. Step 6: Final answer
    x = 43,254.12

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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.