Home / 84,010.36-125,971.76-39,625.16

Finding the Fourth Proportional to 84,010.36, 125,971.76 and 39,625.16

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Solution

The fourth proportional to 84,010.36, 125,971.76 and 39,625.16 is: 59,417.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,010.36 : 125,971.76 = 39,625.16 : x
  2. Step 2: Convert to fraction form
    84,010.36/125,971.76 = 39,625.16/x
  3. Step 3: Cross multiply
    84,010.36x = 125,971.76 × 39,625.16
  4. Step 4: Simplify right side
    84,010.36x = 4,991,651,145.48
  5. Step 5: Solve for x
    x = 4,991,651,145.48/84,010.36
  6. Step 6: Final answer
    x = 59,417.09

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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.