Home / 94,559.40-141,839.10-85,811.40

Finding the Fourth Proportional to 94,559.40, 141,839.10 and 85,811.40

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Solution

The fourth proportional to 94,559.40, 141,839.10 and 85,811.40 is: 128,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,559.40 : 141,839.10 = 85,811.40 : x
  2. Step 2: Convert to fraction form
    94,559.40/141,839.10 = 85,811.40/x
  3. Step 3: Cross multiply
    94,559.40x = 141,839.10 × 85,811.40
  4. Step 4: Simplify right side
    94,559.40x = 12,171,411,745.74
  5. Step 5: Solve for x
    x = 12,171,411,745.74/94,559.40
  6. Step 6: Final answer
    x = 128,717.10

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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.