Home / 90,957.12-136,445.16-34,797.12

Finding the Fourth Proportional to 90,957.12, 136,445.16 and 34,797.12

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Solution

The fourth proportional to 90,957.12, 136,445.16 and 34,797.12 is: 52,199.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,957.12 : 136,445.16 = 34,797.12 : x
  2. Step 2: Convert to fraction form
    90,957.12/136,445.16 = 34,797.12/x
  3. Step 3: Cross multiply
    90,957.12x = 136,445.16 × 34,797.12
  4. Step 4: Simplify right side
    90,957.12x = 4,747,898,605.94
  5. Step 5: Solve for x
    x = 4,747,898,605.94/90,957.12
  6. Step 6: Final answer
    x = 52,199.31

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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.