Home / 93,118.23-128,500.70-50,675.85

Finding the Fourth Proportional to 93,118.23, 128,500.70 and 50,675.85

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Solution

The fourth proportional to 93,118.23, 128,500.70 and 50,675.85 is: 69,931.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,118.23 : 128,500.70 = 50,675.85 : x
  2. Step 2: Convert to fraction form
    93,118.23/128,500.70 = 50,675.85/x
  3. Step 3: Cross multiply
    93,118.23x = 128,500.70 × 50,675.85
  4. Step 4: Simplify right side
    93,118.23x = 6,511,881,944.72
  5. Step 5: Solve for x
    x = 6,511,881,944.72/93,118.23
  6. Step 6: Final answer
    x = 69,931.33

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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.