Home / 85,321.23-117,746.94-47,595.48

Finding the Fourth Proportional to 85,321.23, 117,746.94 and 47,595.48

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Solution

The fourth proportional to 85,321.23, 117,746.94 and 47,595.48 is: 65,683.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,321.23 : 117,746.94 = 47,595.48 : x
  2. Step 2: Convert to fraction form
    85,321.23/117,746.94 = 47,595.48/x
  3. Step 3: Cross multiply
    85,321.23x = 117,746.94 × 47,595.48
  4. Step 4: Simplify right side
    85,321.23x = 5,604,222,127.83
  5. Step 5: Solve for x
    x = 5,604,222,127.83/85,321.23
  6. Step 6: Final answer
    x = 65,683.79

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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.