Home / 90,946.67-136,365.32-34,790.92

Finding the Fourth Proportional to 90,946.67, 136,365.32 and 34,790.92

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Solution

The fourth proportional to 90,946.67, 136,365.32 and 34,790.92 is: 52,165.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,946.67 : 136,365.32 = 34,790.92 : x
  2. Step 2: Convert to fraction form
    90,946.67/136,365.32 = 34,790.92/x
  3. Step 3: Cross multiply
    90,946.67x = 136,365.32 × 34,790.92
  4. Step 4: Simplify right side
    90,946.67x = 4,744,274,684.96
  5. Step 5: Solve for x
    x = 4,744,274,684.96/90,946.67
  6. Step 6: Final answer
    x = 52,165.46

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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.