Home / 78,445.46-108,270.48-46,608.23

Finding the Fourth Proportional to 78,445.46, 108,270.48 and 46,608.23

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Solution

The fourth proportional to 78,445.46, 108,270.48 and 46,608.23 is: 64,328.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,445.46 : 108,270.48 = 46,608.23 : x
  2. Step 2: Convert to fraction form
    78,445.46/108,270.48 = 46,608.23/x
  3. Step 3: Cross multiply
    78,445.46x = 108,270.48 × 46,608.23
  4. Step 4: Simplify right side
    78,445.46x = 5,046,295,434.05
  5. Step 5: Solve for x
    x = 5,046,295,434.05/78,445.46
  6. Step 6: Final answer
    x = 64,328.71

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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.