Home / 77,071.12-115,604.96-35,518.16

Finding the Fourth Proportional to 77,071.12, 115,604.96 and 35,518.16

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Solution

The fourth proportional to 77,071.12, 115,604.96 and 35,518.16 is: 53,276.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,071.12 : 115,604.96 = 35,518.16 : x
  2. Step 2: Convert to fraction form
    77,071.12/115,604.96 = 35,518.16/x
  3. Step 3: Cross multiply
    77,071.12x = 115,604.96 × 35,518.16
  4. Step 4: Simplify right side
    77,071.12x = 4,106,075,466.07
  5. Step 5: Solve for x
    x = 4,106,075,466.07/77,071.12
  6. Step 6: Final answer
    x = 53,276.45

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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.