Home / 62,790.18-86,648.95-35,930.98

Finding the Fourth Proportional to 62,790.18, 86,648.95 and 35,930.98

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Solution

The fourth proportional to 62,790.18, 86,648.95 and 35,930.98 is: 49,583.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,790.18 : 86,648.95 = 35,930.98 : x
  2. Step 2: Convert to fraction form
    62,790.18/86,648.95 = 35,930.98/x
  3. Step 3: Cross multiply
    62,790.18x = 86,648.95 × 35,930.98
  4. Step 4: Simplify right side
    62,790.18x = 3,113,381,076.57
  5. Step 5: Solve for x
    x = 3,113,381,076.57/62,790.18
  6. Step 6: Final answer
    x = 49,583.89

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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.