Home / 78,453.42-108,263.07-44,912.94

Finding the Fourth Proportional to 78,453.42, 108,263.07 and 44,912.94

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Solution

The fourth proportional to 78,453.42, 108,263.07 and 44,912.94 is: 61,978.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,453.42 : 108,263.07 = 44,912.94 : x
  2. Step 2: Convert to fraction form
    78,453.42/108,263.07 = 44,912.94/x
  3. Step 3: Cross multiply
    78,453.42x = 108,263.07 × 44,912.94
  4. Step 4: Simplify right side
    78,453.42x = 4,862,412,767.13
  5. Step 5: Solve for x
    x = 4,862,412,767.13/78,453.42
  6. Step 6: Final answer
    x = 61,978.34

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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.