Home / 78,316.41-108,027.48-46,462.75

Finding the Fourth Proportional to 78,316.41, 108,027.48 and 46,462.75

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Solution

The fourth proportional to 78,316.41, 108,027.48 and 46,462.75 is: 64,089.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,316.41 : 108,027.48 = 46,462.75 : x
  2. Step 2: Convert to fraction form
    78,316.41/108,027.48 = 46,462.75/x
  3. Step 3: Cross multiply
    78,316.41x = 108,027.48 × 46,462.75
  4. Step 4: Simplify right side
    78,316.41x = 5,019,253,796.37
  5. Step 5: Solve for x
    x = 5,019,253,796.37/78,316.41
  6. Step 6: Final answer
    x = 64,089.43

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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.