Home / 84,314.36-126,533.93-39,941.21

Finding the Fourth Proportional to 84,314.36, 126,533.93 and 39,941.21

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Solution

The fourth proportional to 84,314.36, 126,533.93 and 39,941.21 is: 59,941.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,314.36 : 126,533.93 = 39,941.21 : x
  2. Step 2: Convert to fraction form
    84,314.36/126,533.93 = 39,941.21/x
  3. Step 3: Cross multiply
    84,314.36x = 126,533.93 × 39,941.21
  4. Step 4: Simplify right side
    84,314.36x = 5,053,918,386.88
  5. Step 5: Solve for x
    x = 5,053,918,386.88/84,314.36
  6. Step 6: Final answer
    x = 59,941.37

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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.