Home / 93,000.84-128,338.38-50,558.28

Finding the Fourth Proportional to 93,000.84, 128,338.38 and 50,558.28

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Solution

The fourth proportional to 93,000.84, 128,338.38 and 50,558.28 is: 69,768.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,000.84 : 128,338.38 = 50,558.28 : x
  2. Step 2: Convert to fraction form
    93,000.84/128,338.38 = 50,558.28/x
  3. Step 3: Cross multiply
    93,000.84x = 128,338.38 × 50,558.28
  4. Step 4: Simplify right side
    93,000.84x = 6,488,567,750.79
  5. Step 5: Solve for x
    x = 6,488,567,750.79/93,000.84
  6. Step 6: Final answer
    x = 69,768.92

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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.