Home / 93,045.33-128,361.11-62,821.53

Finding the Fourth Proportional to 93,045.33, 128,361.11 and 62,821.53

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Solution

The fourth proportional to 93,045.33, 128,361.11 and 62,821.53 is: 86,665.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,045.33 : 128,361.11 = 62,821.53 : x
  2. Step 2: Convert to fraction form
    93,045.33/128,361.11 = 62,821.53/x
  3. Step 3: Cross multiply
    93,045.33x = 128,361.11 × 62,821.53
  4. Step 4: Simplify right side
    93,045.33x = 8,063,841,008.59
  5. Step 5: Solve for x
    x = 8,063,841,008.59/93,045.33
  6. Step 6: Final answer
    x = 86,665.73

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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.