Home / 93,145.42-128,541.27-50,703.94

Finding the Fourth Proportional to 93,145.42, 128,541.27 and 50,703.94

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Solution

The fourth proportional to 93,145.42, 128,541.27 and 50,703.94 is: 69,971.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,145.42 : 128,541.27 = 50,703.94 : x
  2. Step 2: Convert to fraction form
    93,145.42/128,541.27 = 50,703.94/x
  3. Step 3: Cross multiply
    93,145.42x = 128,541.27 × 50,703.94
  4. Step 4: Simplify right side
    93,145.42x = 6,517,548,841.60
  5. Step 5: Solve for x
    x = 6,517,548,841.60/93,145.42
  6. Step 6: Final answer
    x = 69,971.76

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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.