Home / 51,205.80-70,666.74-29,986.68

Finding the Fourth Proportional to 51,205.80, 70,666.74 and 29,986.68

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Solution

The fourth proportional to 51,205.80, 70,666.74 and 29,986.68 is: 41,383.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,205.80 : 70,666.74 = 29,986.68 : x
  2. Step 2: Convert to fraction form
    51,205.80/70,666.74 = 29,986.68/x
  3. Step 3: Cross multiply
    51,205.80x = 70,666.74 × 29,986.68
  4. Step 4: Simplify right side
    51,205.80x = 2,119,060,919.02
  5. Step 5: Solve for x
    x = 2,119,060,919.02/51,205.80
  6. Step 6: Final answer
    x = 41,383.22

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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.