Home / 77,320.52-115,999.23-27,404.98

Finding the Fourth Proportional to 77,320.52, 115,999.23 and 27,404.98

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Solution

The fourth proportional to 77,320.52, 115,999.23 and 27,404.98 is: 41,114.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,320.52 : 115,999.23 = 27,404.98 : x
  2. Step 2: Convert to fraction form
    77,320.52/115,999.23 = 27,404.98/x
  3. Step 3: Cross multiply
    77,320.52x = 115,999.23 × 27,404.98
  4. Step 4: Simplify right side
    77,320.52x = 3,178,955,998.17
  5. Step 5: Solve for x
    x = 3,178,955,998.17/77,320.52
  6. Step 6: Final answer
    x = 41,114.00

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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.