Home / 85,285.02-117,693.06-47,559.26

Finding the Fourth Proportional to 85,285.02, 117,693.06 and 47,559.26

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Solution

The fourth proportional to 85,285.02, 117,693.06 and 47,559.26 is: 65,631.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,285.02 : 117,693.06 = 47,559.26 : x
  2. Step 2: Convert to fraction form
    85,285.02/117,693.06 = 47,559.26/x
  3. Step 3: Cross multiply
    85,285.02x = 117,693.06 × 47,559.26
  4. Step 4: Simplify right side
    85,285.02x = 5,597,394,840.74
  5. Step 5: Solve for x
    x = 5,597,394,840.74/85,285.02
  6. Step 6: Final answer
    x = 65,631.63

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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.