Home / 93,315.18-128,771.18-50,872.80

Finding the Fourth Proportional to 93,315.18, 128,771.18 and 50,872.80

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Solution

The fourth proportional to 93,315.18, 128,771.18 and 50,872.80 is: 70,202.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,315.18 : 128,771.18 = 50,872.80 : x
  2. Step 2: Convert to fraction form
    93,315.18/128,771.18 = 50,872.80/x
  3. Step 3: Cross multiply
    93,315.18x = 128,771.18 × 50,872.80
  4. Step 4: Simplify right side
    93,315.18x = 6,550,950,485.90
  5. Step 5: Solve for x
    x = 6,550,950,485.90/93,315.18
  6. Step 6: Final answer
    x = 70,202.41

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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.