Home / 93,311.73-128,767.62-50,870.25

Finding the Fourth Proportional to 93,311.73, 128,767.62 and 50,870.25

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Solution

The fourth proportional to 93,311.73, 128,767.62 and 50,870.25 is: 70,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,311.73 : 128,767.62 = 50,870.25 : x
  2. Step 2: Convert to fraction form
    93,311.73/128,767.62 = 50,870.25/x
  3. Step 3: Cross multiply
    93,311.73x = 128,767.62 × 50,870.25
  4. Step 4: Simplify right side
    93,311.73x = 6,550,441,021.31
  5. Step 5: Solve for x
    x = 6,550,441,021.31/93,311.73
  6. Step 6: Final answer
    x = 70,199.55

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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.