Home / 93,166.40-128,566.72-50,724.64

Finding the Fourth Proportional to 93,166.40, 128,566.72 and 50,724.64

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Solution

The fourth proportional to 93,166.40, 128,566.72 and 50,724.64 is: 69,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,166.40 : 128,566.72 = 50,724.64 : x
  2. Step 2: Convert to fraction form
    93,166.40/128,566.72 = 50,724.64/x
  3. Step 3: Cross multiply
    93,166.40x = 128,566.72 × 50,724.64
  4. Step 4: Simplify right side
    93,166.40x = 6,521,500,587.98
  5. Step 5: Solve for x
    x = 6,521,500,587.98/93,166.40
  6. Step 6: Final answer
    x = 69,998.42

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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.