Home / 84,012.36-126,041.10-34,127.16

Finding the Fourth Proportional to 84,012.36, 126,041.10 and 34,127.16

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Solution

The fourth proportional to 84,012.36, 126,041.10 and 34,127.16 is: 51,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,012.36 : 126,041.10 = 34,127.16 : x
  2. Step 2: Convert to fraction form
    84,012.36/126,041.10 = 34,127.16/x
  3. Step 3: Cross multiply
    84,012.36x = 126,041.10 × 34,127.16
  4. Step 4: Simplify right side
    84,012.36x = 4,301,424,786.28
  5. Step 5: Solve for x
    x = 4,301,424,786.28/84,012.36
  6. Step 6: Final answer
    x = 51,199.90

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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.