Home / 93,414.33-128,911.50-50,972.81

Finding the Fourth Proportional to 93,414.33, 128,911.50 and 50,972.81

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Solution

The fourth proportional to 93,414.33, 128,911.50 and 50,972.81 is: 70,342.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,414.33 : 128,911.50 = 50,972.81 : x
  2. Step 2: Convert to fraction form
    93,414.33/128,911.50 = 50,972.81/x
  3. Step 3: Cross multiply
    93,414.33x = 128,911.50 × 50,972.81
  4. Step 4: Simplify right side
    93,414.33x = 6,570,980,751.76
  5. Step 5: Solve for x
    x = 6,570,980,751.76/93,414.33
  6. Step 6: Final answer
    x = 70,342.32

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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.