Home / 84,821.55-127,305.23-37,509.45

Finding the Fourth Proportional to 84,821.55, 127,305.23 and 37,509.45

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Solution

The fourth proportional to 84,821.55, 127,305.23 and 37,509.45 is: 56,296.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,821.55 : 127,305.23 = 37,509.45 : x
  2. Step 2: Convert to fraction form
    84,821.55/127,305.23 = 37,509.45/x
  3. Step 3: Cross multiply
    84,821.55x = 127,305.23 × 37,509.45
  4. Step 4: Simplify right side
    84,821.55x = 4,775,148,971.88
  5. Step 5: Solve for x
    x = 4,775,148,971.88/84,821.55
  6. Step 6: Final answer
    x = 56,296.41

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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.