Home / 85,257.66-117,662.58-47,024.70

Finding the Fourth Proportional to 85,257.66, 117,662.58 and 47,024.70

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Solution

The fourth proportional to 85,257.66, 117,662.58 and 47,024.70 is: 64,897.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,257.66 : 117,662.58 = 47,024.70 : x
  2. Step 2: Convert to fraction form
    85,257.66/117,662.58 = 47,024.70/x
  3. Step 3: Cross multiply
    85,257.66x = 117,662.58 × 47,024.70
  4. Step 4: Simplify right side
    85,257.66x = 5,533,047,084.49
  5. Step 5: Solve for x
    x = 5,533,047,084.49/85,257.66
  6. Step 6: Final answer
    x = 64,897.94

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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.