Home / 92,549.09-138,823.58-30,219.59

Finding the Fourth Proportional to 92,549.09, 138,823.58 and 30,219.59

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Solution

The fourth proportional to 92,549.09, 138,823.58 and 30,219.59 is: 45,329.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,549.09 : 138,823.58 = 30,219.59 : x
  2. Step 2: Convert to fraction form
    92,549.09/138,823.58 = 30,219.59/x
  3. Step 3: Cross multiply
    92,549.09x = 138,823.58 × 30,219.59
  4. Step 4: Simplify right side
    92,549.09x = 4,195,190,824.72
  5. Step 5: Solve for x
    x = 4,195,190,824.72/92,549.09
  6. Step 6: Final answer
    x = 45,329.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.