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Finding the Fourth Proportional to 86,136, 118,875.24 and 48,410.52

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Solution

The fourth proportional to 86,136, 118,875.24 and 48,410.52 is: 66,810.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,136 : 118,875.24 = 48,410.52 : x
  2. Step 2: Convert to fraction form
    86,136/118,875.24 = 48,410.52/x
  3. Step 3: Cross multiply
    86,136x = 118,875.24 × 48,410.52
  4. Step 4: Simplify right side
    86,136x = 5,754,812,183.52
  5. Step 5: Solve for x
    x = 5,754,812,183.52/86,136
  6. Step 6: Final answer
    x = 66,810.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.