Home / 56,918.05-85,401.69-21,849.55

Finding the Fourth Proportional to 56,918.05, 85,401.69 and 21,849.55

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Solution

The fourth proportional to 56,918.05, 85,401.69 and 21,849.55 is: 32,783.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,918.05 : 85,401.69 = 21,849.55 : x
  2. Step 2: Convert to fraction form
    56,918.05/85,401.69 = 21,849.55/x
  3. Step 3: Cross multiply
    56,918.05x = 85,401.69 × 21,849.55
  4. Step 4: Simplify right side
    56,918.05x = 1,865,988,495.74
  5. Step 5: Solve for x
    x = 1,865,988,495.74/56,918.05
  6. Step 6: Final answer
    x = 32,783.77

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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.