Home / 78,019.14-107,680.98-44,485.14

Finding the Fourth Proportional to 78,019.14, 107,680.98 and 44,485.14

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Solution

The fourth proportional to 78,019.14, 107,680.98 and 44,485.14 is: 61,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,019.14 : 107,680.98 = 44,485.14 : x
  2. Step 2: Convert to fraction form
    78,019.14/107,680.98 = 44,485.14/x
  3. Step 3: Cross multiply
    78,019.14x = 107,680.98 × 44,485.14
  4. Step 4: Simplify right side
    78,019.14x = 4,790,203,470.64
  5. Step 5: Solve for x
    x = 4,790,203,470.64/78,019.14
  6. Step 6: Final answer
    x = 61,397.80

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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.