Home / 85,094.35-127,720.33-43,004.05

Finding the Fourth Proportional to 85,094.35, 127,720.33 and 43,004.05

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Solution

The fourth proportional to 85,094.35, 127,720.33 and 43,004.05 is: 64,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,094.35 : 127,720.33 = 43,004.05 : x
  2. Step 2: Convert to fraction form
    85,094.35/127,720.33 = 43,004.05/x
  3. Step 3: Cross multiply
    85,094.35x = 127,720.33 × 43,004.05
  4. Step 4: Simplify right side
    85,094.35x = 5,492,491,030.53
  5. Step 5: Solve for x
    x = 5,492,491,030.53/85,094.35
  6. Step 6: Final answer
    x = 64,545.90

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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.