Home / 93,045.48-128,361.31-62,007.69

Finding the Fourth Proportional to 93,045.48, 128,361.31 and 62,007.69

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Solution

The fourth proportional to 93,045.48, 128,361.31 and 62,007.69 is: 85,542.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,045.48 : 128,361.31 = 62,007.69 : x
  2. Step 2: Convert to fraction form
    93,045.48/128,361.31 = 62,007.69/x
  3. Step 3: Cross multiply
    93,045.48x = 128,361.31 × 62,007.69
  4. Step 4: Simplify right side
    93,045.48x = 7,959,388,644.81
  5. Step 5: Solve for x
    x = 7,959,388,644.81/93,045.48
  6. Step 6: Final answer
    x = 85,542.99

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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.