Home / 77,710.40-116,537.04-27,777.02

Finding the Fourth Proportional to 77,710.40, 116,537.04 and 27,777.02

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Solution

The fourth proportional to 77,710.40, 116,537.04 and 27,777.02 is: 41,655.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,710.40 : 116,537.04 = 27,777.02 : x
  2. Step 2: Convert to fraction form
    77,710.40/116,537.04 = 27,777.02/x
  3. Step 3: Cross multiply
    77,710.40x = 116,537.04 × 27,777.02
  4. Step 4: Simplify right side
    77,710.40x = 3,237,051,690.82
  5. Step 5: Solve for x
    x = 3,237,051,690.82/77,710.40
  6. Step 6: Final answer
    x = 41,655.32

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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.