Home / 85,828.72-118,450.20-54,024.88

Finding the Fourth Proportional to 85,828.72, 118,450.20 and 54,024.88

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Solution

The fourth proportional to 85,828.72, 118,450.20 and 54,024.88 is: 74,558.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,828.72 : 118,450.20 = 54,024.88 : x
  2. Step 2: Convert to fraction form
    85,828.72/118,450.20 = 54,024.88/x
  3. Step 3: Cross multiply
    85,828.72x = 118,450.20 × 54,024.88
  4. Step 4: Simplify right side
    85,828.72x = 6,399,257,840.98
  5. Step 5: Solve for x
    x = 6,399,257,840.98/85,828.72
  6. Step 6: Final answer
    x = 74,558.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.