Home / 93,195.20-128,652.96-59,680.32

Finding the Fourth Proportional to 93,195.20, 128,652.96 and 59,680.32

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Solution

The fourth proportional to 93,195.20, 128,652.96 and 59,680.32 is: 82,386.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,195.20 : 128,652.96 = 59,680.32 : x
  2. Step 2: Convert to fraction form
    93,195.20/128,652.96 = 59,680.32/x
  3. Step 3: Cross multiply
    93,195.20x = 128,652.96 × 59,680.32
  4. Step 4: Simplify right side
    93,195.20x = 7,678,049,821.75
  5. Step 5: Solve for x
    x = 7,678,049,821.75/93,195.20
  6. Step 6: Final answer
    x = 82,386.75

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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.