Home / 84,800.21-127,203.01-42,657.26

Finding the Fourth Proportional to 84,800.21, 127,203.01 and 42,657.26

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Solution

The fourth proportional to 84,800.21, 127,203.01 and 42,657.26 is: 63,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,800.21 : 127,203.01 = 42,657.26 : x
  2. Step 2: Convert to fraction form
    84,800.21/127,203.01 = 42,657.26/x
  3. Step 3: Cross multiply
    84,800.21x = 127,203.01 × 42,657.26
  4. Step 4: Simplify right side
    84,800.21x = 5,426,131,127.69
  5. Step 5: Solve for x
    x = 5,426,131,127.69/84,800.21
  6. Step 6: Final answer
    x = 63,987.24

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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.