Home / 78,020.54-107,667.93-44,040.07

Finding the Fourth Proportional to 78,020.54, 107,667.93 and 44,040.07

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Solution

The fourth proportional to 78,020.54, 107,667.93 and 44,040.07 is: 60,775.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,020.54 : 107,667.93 = 44,040.07 : x
  2. Step 2: Convert to fraction form
    78,020.54/107,667.93 = 44,040.07/x
  3. Step 3: Cross multiply
    78,020.54x = 107,667.93 × 44,040.07
  4. Step 4: Simplify right side
    78,020.54x = 4,741,703,460.80
  5. Step 5: Solve for x
    x = 4,741,703,460.80/78,020.54
  6. Step 6: Final answer
    x = 60,775.06

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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.