Home / 84,918.96-127,368.36-28,758.96

Finding the Fourth Proportional to 84,918.96, 127,368.36 and 28,758.96

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Solution

The fourth proportional to 84,918.96, 127,368.36 and 28,758.96 is: 43,135.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,918.96 : 127,368.36 = 28,758.96 : x
  2. Step 2: Convert to fraction form
    84,918.96/127,368.36 = 28,758.96/x
  3. Step 3: Cross multiply
    84,918.96x = 127,368.36 × 28,758.96
  4. Step 4: Simplify right side
    84,918.96x = 3,662,981,570.51
  5. Step 5: Solve for x
    x = 3,662,981,570.51/84,918.96
  6. Step 6: Final answer
    x = 43,135.03

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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.