Home / 85,584.56-118,106.76-47,858.96

Finding the Fourth Proportional to 85,584.56, 118,106.76 and 47,858.96

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Solution

The fourth proportional to 85,584.56, 118,106.76 and 47,858.96 is: 66,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,584.56 : 118,106.76 = 47,858.96 : x
  2. Step 2: Convert to fraction form
    85,584.56/118,106.76 = 47,858.96/x
  3. Step 3: Cross multiply
    85,584.56x = 118,106.76 × 47,858.96
  4. Step 4: Simplify right side
    85,584.56x = 5,652,466,702.57
  5. Step 5: Solve for x
    x = 5,652,466,702.57/85,584.56
  6. Step 6: Final answer
    x = 66,045.40

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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.