Home / 94,012.40-141,018.60-89,865.20

Finding the Fourth Proportional to 94,012.40, 141,018.60 and 89,865.20

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Solution

The fourth proportional to 94,012.40, 141,018.60 and 89,865.20 is: 134,797.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,012.40 : 141,018.60 = 89,865.20 : x
  2. Step 2: Convert to fraction form
    94,012.40/141,018.60 = 89,865.20/x
  3. Step 3: Cross multiply
    94,012.40x = 141,018.60 × 89,865.20
  4. Step 4: Simplify right side
    94,012.40x = 12,672,664,692.72
  5. Step 5: Solve for x
    x = 12,672,664,692.72/94,012.40
  6. Step 6: Final answer
    x = 134,797.80

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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.