Home / 74,557.02-102,891.53-42,732.08

Finding the Fourth Proportional to 74,557.02, 102,891.53 and 42,732.08

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Solution

The fourth proportional to 74,557.02, 102,891.53 and 42,732.08 is: 58,971.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,557.02 : 102,891.53 = 42,732.08 : x
  2. Step 2: Convert to fraction form
    74,557.02/102,891.53 = 42,732.08/x
  3. Step 3: Cross multiply
    74,557.02x = 102,891.53 × 42,732.08
  4. Step 4: Simplify right side
    74,557.02x = 4,396,768,683.65
  5. Step 5: Solve for x
    x = 4,396,768,683.65/74,557.02
  6. Step 6: Final answer
    x = 58,971.89

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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.