Home / 77,710.64-116,537.40-27,777.20

Finding the Fourth Proportional to 77,710.64, 116,537.40 and 27,777.20

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Solution

The fourth proportional to 77,710.64, 116,537.40 and 27,777.20 is: 41,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,710.64 : 116,537.40 = 27,777.20 : x
  2. Step 2: Convert to fraction form
    77,710.64/116,537.40 = 27,777.20/x
  3. Step 3: Cross multiply
    77,710.64x = 116,537.40 × 27,777.20
  4. Step 4: Simplify right side
    77,710.64x = 3,237,082,084.59
  5. Step 5: Solve for x
    x = 3,237,082,084.59/77,710.64
  6. Step 6: Final answer
    x = 41,655.59

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1.5x scale

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.