Home / 77,130.68-115,654.44-41,611.04

Finding the Fourth Proportional to 77,130.68, 115,654.44 and 41,611.04

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Solution

The fourth proportional to 77,130.68, 115,654.44 and 41,611.04 is: 62,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,130.68 : 115,654.44 = 41,611.04 : x
  2. Step 2: Convert to fraction form
    77,130.68/115,654.44 = 41,611.04/x
  3. Step 3: Cross multiply
    77,130.68x = 115,654.44 × 41,611.04
  4. Step 4: Simplify right side
    77,130.68x = 4,812,501,529.02
  5. Step 5: Solve for x
    x = 4,812,501,529.02/77,130.68
  6. Step 6: Final answer
    x = 62,394.13

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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.