Home / 85,573.23-118,115.73-60,085.80

Finding the Fourth Proportional to 85,573.23, 118,115.73 and 60,085.80

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Solution

The fourth proportional to 85,573.23, 118,115.73 and 60,085.80 is: 82,935.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,573.23 : 118,115.73 = 60,085.80 : x
  2. Step 2: Convert to fraction form
    85,573.23/118,115.73 = 60,085.80/x
  3. Step 3: Cross multiply
    85,573.23x = 118,115.73 × 60,085.80
  4. Step 4: Simplify right side
    85,573.23x = 7,097,078,129.63
  5. Step 5: Solve for x
    x = 7,097,078,129.63/85,573.23
  6. Step 6: Final answer
    x = 82,935.73

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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.