Home / 85,842.36-118,460.26-47,601.29

Finding the Fourth Proportional to 85,842.36, 118,460.26 and 47,601.29

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Solution

The fourth proportional to 85,842.36, 118,460.26 and 47,601.29 is: 65,688.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,842.36 : 118,460.26 = 47,601.29 : x
  2. Step 2: Convert to fraction form
    85,842.36/118,460.26 = 47,601.29/x
  3. Step 3: Cross multiply
    85,842.36x = 118,460.26 × 47,601.29
  4. Step 4: Simplify right side
    85,842.36x = 5,638,861,604.89
  5. Step 5: Solve for x
    x = 5,638,861,604.89/85,842.36
  6. Step 6: Final answer
    x = 65,688.57

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1.5x scale

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.