Home / 55,689.31-76,844.36-35,557.98

Finding the Fourth Proportional to 55,689.31, 76,844.36 and 35,557.98

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Solution

The fourth proportional to 55,689.31, 76,844.36 and 35,557.98 is: 49,065.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,689.31 : 76,844.36 = 35,557.98 : x
  2. Step 2: Convert to fraction form
    55,689.31/76,844.36 = 35,557.98/x
  3. Step 3: Cross multiply
    55,689.31x = 76,844.36 × 35,557.98
  4. Step 4: Simplify right side
    55,689.31x = 2,732,430,215.99
  5. Step 5: Solve for x
    x = 2,732,430,215.99/55,689.31
  6. Step 6: Final answer
    x = 49,065.61

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1.5x scale

Why These Related Problems?

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