Home / 93,293.18-128,740.77-50,850.78

Finding the Fourth Proportional to 93,293.18, 128,740.77 and 50,850.78

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Solution

The fourth proportional to 93,293.18, 128,740.77 and 50,850.78 is: 70,172.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,293.18 : 128,740.77 = 50,850.78 : x
  2. Step 2: Convert to fraction form
    93,293.18/128,740.77 = 50,850.78/x
  3. Step 3: Cross multiply
    93,293.18x = 128,740.77 × 50,850.78
  4. Step 4: Simplify right side
    93,293.18x = 6,546,568,572.30
  5. Step 5: Solve for x
    x = 6,546,568,572.30/93,293.18
  6. Step 6: Final answer
    x = 70,172.00

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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.