Home / 55,842.16-77,063.64-30,692.32

Finding the Fourth Proportional to 55,842.16, 77,063.64 and 30,692.32

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Solution

The fourth proportional to 55,842.16, 77,063.64 and 30,692.32 is: 42,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,842.16 : 77,063.64 = 30,692.32 : x
  2. Step 2: Convert to fraction form
    55,842.16/77,063.64 = 30,692.32/x
  3. Step 3: Cross multiply
    55,842.16x = 77,063.64 × 30,692.32
  4. Step 4: Simplify right side
    55,842.16x = 2,365,261,899.24
  5. Step 5: Solve for x
    x = 2,365,261,899.24/55,842.16
  6. Step 6: Final answer
    x = 42,356.20

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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.