Home / 85,289.32-117,554.71-59,803.48

Finding the Fourth Proportional to 85,289.32, 117,554.71 and 59,803.48

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Solution

The fourth proportional to 85,289.32, 117,554.71 and 59,803.48 is: 82,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,289.32 : 117,554.71 = 59,803.48 : x
  2. Step 2: Convert to fraction form
    85,289.32/117,554.71 = 59,803.48/x
  3. Step 3: Cross multiply
    85,289.32x = 117,554.71 × 59,803.48
  4. Step 4: Simplify right side
    85,289.32x = 7,030,179,861.60
  5. Step 5: Solve for x
    x = 7,030,179,861.60/85,289.32
  6. Step 6: Final answer
    x = 82,427.44

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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.