Home / 76,900.94-106,110.57-51,366.35

Finding the Fourth Proportional to 76,900.94, 106,110.57 and 51,366.35

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Solution

The fourth proportional to 76,900.94, 106,110.57 and 51,366.35 is: 70,877.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,900.94 : 106,110.57 = 51,366.35 : x
  2. Step 2: Convert to fraction form
    76,900.94/106,110.57 = 51,366.35/x
  3. Step 3: Cross multiply
    76,900.94x = 106,110.57 × 51,366.35
  4. Step 4: Simplify right side
    76,900.94x = 5,450,512,677.32
  5. Step 5: Solve for x
    x = 5,450,512,677.32/76,900.94
  6. Step 6: Final answer
    x = 70,877.06

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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.