Home / 55,962.03-83,934.78-20,415.03

Finding the Fourth Proportional to 55,962.03, 83,934.78 and 20,415.03

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Solution

The fourth proportional to 55,962.03, 83,934.78 and 20,415.03 is: 30,619.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,962.03 : 83,934.78 = 20,415.03 : x
  2. Step 2: Convert to fraction form
    55,962.03/83,934.78 = 20,415.03/x
  3. Step 3: Cross multiply
    55,962.03x = 83,934.78 × 20,415.03
  4. Step 4: Simplify right side
    55,962.03x = 1,713,531,051.74
  5. Step 5: Solve for x
    x = 1,713,531,051.74/55,962.03
  6. Step 6: Final answer
    x = 30,619.53

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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.