Home / 55,842.85-77,063.07-30,692.35

Finding the Fourth Proportional to 55,842.85, 77,063.07 and 30,692.35

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Solution

The fourth proportional to 55,842.85, 77,063.07 and 30,692.35 is: 42,355.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,842.85 : 77,063.07 = 30,692.35 : x
  2. Step 2: Convert to fraction form
    55,842.85/77,063.07 = 30,692.35/x
  3. Step 3: Cross multiply
    55,842.85x = 77,063.07 × 30,692.35
  4. Step 4: Simplify right side
    55,842.85x = 2,365,246,716.51
  5. Step 5: Solve for x
    x = 2,365,246,716.51/55,842.85
  6. Step 6: Final answer
    x = 42,355.41

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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.