Home / 92,685.12-139,021.80-29,550.54

Finding the Fourth Proportional to 92,685.12, 139,021.80 and 29,550.54

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Solution

The fourth proportional to 92,685.12, 139,021.80 and 29,550.54 is: 44,323.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,685.12 : 139,021.80 = 29,550.54 : x
  2. Step 2: Convert to fraction form
    92,685.12/139,021.80 = 29,550.54/x
  3. Step 3: Cross multiply
    92,685.12x = 139,021.80 × 29,550.54
  4. Step 4: Simplify right side
    92,685.12x = 4,108,169,261.77
  5. Step 5: Solve for x
    x = 4,108,169,261.77/92,685.12
  6. Step 6: Final answer
    x = 44,323.94

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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.