Home / 85,579.08-118,099.88-47,853.34

Finding the Fourth Proportional to 85,579.08, 118,099.88 and 47,853.34

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Solution

The fourth proportional to 85,579.08, 118,099.88 and 47,853.34 is: 66,038.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,579.08 : 118,099.88 = 47,853.34 : x
  2. Step 2: Convert to fraction form
    85,579.08/118,099.88 = 47,853.34/x
  3. Step 3: Cross multiply
    85,579.08x = 118,099.88 × 47,853.34
  4. Step 4: Simplify right side
    85,579.08x = 5,651,473,711.60
  5. Step 5: Solve for x
    x = 5,651,473,711.60/85,579.08
  6. Step 6: Final answer
    x = 66,038.03

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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.