Home / 84,314.15-126,318.93-52,709.16

Finding the Fourth Proportional to 84,314.15, 126,318.93 and 52,709.16

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Solution

The fourth proportional to 84,314.15, 126,318.93 and 52,709.16 is: 78,968.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,314.15 : 126,318.93 = 52,709.16 : x
  2. Step 2: Convert to fraction form
    84,314.15/126,318.93 = 52,709.16/x
  3. Step 3: Cross multiply
    84,314.15x = 126,318.93 × 52,709.16
  4. Step 4: Simplify right side
    84,314.15x = 6,658,164,968.44
  5. Step 5: Solve for x
    x = 6,658,164,968.44/84,314.15
  6. Step 6: Final answer
    x = 78,968.54

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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.