Home / 62,790.12-86,625.30-35,927.40

Finding the Fourth Proportional to 62,790.12, 86,625.30 and 35,927.40

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Solution

The fourth proportional to 62,790.12, 86,625.30 and 35,927.40 is: 49,565.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,790.12 : 86,625.30 = 35,927.40 : x
  2. Step 2: Convert to fraction form
    62,790.12/86,625.30 = 35,927.40/x
  3. Step 3: Cross multiply
    62,790.12x = 86,625.30 × 35,927.40
  4. Step 4: Simplify right side
    62,790.12x = 3,112,221,803.22
  5. Step 5: Solve for x
    x = 3,112,221,803.22/62,790.12
  6. Step 6: Final answer
    x = 49,565.47

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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.