Home / 93,119.86-128,501.58-50,678.56

Finding the Fourth Proportional to 93,119.86, 128,501.58 and 50,678.56

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Solution

The fourth proportional to 93,119.86, 128,501.58 and 50,678.56 is: 69,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,119.86 : 128,501.58 = 50,678.56 : x
  2. Step 2: Convert to fraction form
    93,119.86/128,501.58 = 50,678.56/x
  3. Step 3: Cross multiply
    93,119.86x = 128,501.58 × 50,678.56
  4. Step 4: Simplify right side
    93,119.86x = 6,512,275,032.12
  5. Step 5: Solve for x
    x = 6,512,275,032.12/93,119.86
  6. Step 6: Final answer
    x = 69,934.33

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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.