Home / 81,968.40-122,923.80-37,616.40

Finding the Fourth Proportional to 81,968.40, 122,923.80 and 37,616.40

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Solution

The fourth proportional to 81,968.40, 122,923.80 and 37,616.40 is: 56,411.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,968.40 : 122,923.80 = 37,616.40 : x
  2. Step 2: Convert to fraction form
    81,968.40/122,923.80 = 37,616.40/x
  3. Step 3: Cross multiply
    81,968.40x = 122,923.80 × 37,616.40
  4. Step 4: Simplify right side
    81,968.40x = 4,623,950,830.32
  5. Step 5: Solve for x
    x = 4,623,950,830.32/81,968.40
  6. Step 6: Final answer
    x = 56,411.38

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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.