Home / 93,311.60-128,771.32-50,870.12

Finding the Fourth Proportional to 93,311.60, 128,771.32 and 50,870.12

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Solution

The fourth proportional to 93,311.60, 128,771.32 and 50,870.12 is: 70,201.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,311.60 : 128,771.32 = 50,870.12 : x
  2. Step 2: Convert to fraction form
    93,311.60/128,771.32 = 50,870.12/x
  3. Step 3: Cross multiply
    93,311.60x = 128,771.32 × 50,870.12
  4. Step 4: Simplify right side
    93,311.60x = 6,550,612,500.96
  5. Step 5: Solve for x
    x = 6,550,612,500.96/93,311.60
  6. Step 6: Final answer
    x = 70,201.48

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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.