Home / 58,618.26-80,827.79-42,453.60

Finding the Fourth Proportional to 58,618.26, 80,827.79 and 42,453.60

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Solution

The fourth proportional to 58,618.26, 80,827.79 and 42,453.60 is: 58,538.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,618.26 : 80,827.79 = 42,453.60 : x
  2. Step 2: Convert to fraction form
    58,618.26/80,827.79 = 42,453.60/x
  3. Step 3: Cross multiply
    58,618.26x = 80,827.79 × 42,453.60
  4. Step 4: Simplify right side
    58,618.26x = 3,431,430,453.28
  5. Step 5: Solve for x
    x = 3,431,430,453.28/58,618.26
  6. Step 6: Final answer
    x = 58,538.59

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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.