Home / 84,873.16-127,308.30-28,701.28

Finding the Fourth Proportional to 84,873.16, 127,308.30 and 28,701.28

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Solution

The fourth proportional to 84,873.16, 127,308.30 and 28,701.28 is: 43,051.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,873.16 : 127,308.30 = 28,701.28 : x
  2. Step 2: Convert to fraction form
    84,873.16/127,308.30 = 28,701.28/x
  3. Step 3: Cross multiply
    84,873.16x = 127,308.30 × 28,701.28
  4. Step 4: Simplify right side
    84,873.16x = 3,653,911,164.62
  5. Step 5: Solve for x
    x = 3,653,911,164.62/84,873.16
  6. Step 6: Final answer
    x = 43,051.43

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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.