Home / 78,683.44-118,047.06-34,314.12

Finding the Fourth Proportional to 78,683.44, 118,047.06 and 34,314.12

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Solution

The fourth proportional to 78,683.44, 118,047.06 and 34,314.12 is: 51,480.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,683.44 : 118,047.06 = 34,314.12 : x
  2. Step 2: Convert to fraction form
    78,683.44/118,047.06 = 34,314.12/x
  3. Step 3: Cross multiply
    78,683.44x = 118,047.06 × 34,314.12
  4. Step 4: Simplify right side
    78,683.44x = 4,050,680,982.49
  5. Step 5: Solve for x
    x = 4,050,680,982.49/78,683.44
  6. Step 6: Final answer
    x = 51,480.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.