Home / 74,569.68-111,821.58-39,501

Finding the Fourth Proportional to 74,569.68, 111,821.58 and 39,501

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Solution

The fourth proportional to 74,569.68, 111,821.58 and 39,501 is: 59,234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,569.68 : 111,821.58 = 39,501 : x
  2. Step 2: Convert to fraction form
    74,569.68/111,821.58 = 39,501/x
  3. Step 3: Cross multiply
    74,569.68x = 111,821.58 × 39,501
  4. Step 4: Simplify right side
    74,569.68x = 4,417,064,231.58
  5. Step 5: Solve for x
    x = 4,417,064,231.58/74,569.68
  6. Step 6: Final answer
    x = 59,234.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.