Home / 75,509.10-113,285.52-28,751.04

Finding the Fourth Proportional to 75,509.10, 113,285.52 and 28,751.04

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Solution

The fourth proportional to 75,509.10, 113,285.52 and 28,751.04 is: 43,134.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,509.10 : 113,285.52 = 28,751.04 : x
  2. Step 2: Convert to fraction form
    75,509.10/113,285.52 = 28,751.04/x
  3. Step 3: Cross multiply
    75,509.10x = 113,285.52 × 28,751.04
  4. Step 4: Simplify right side
    75,509.10x = 3,257,076,516.94
  5. Step 5: Solve for x
    x = 3,257,076,516.94/75,509.10
  6. Step 6: Final answer
    x = 43,134.89

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1.5x scale

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.