Home / 86,525.56-129,678.99-46,445.14

Finding the Fourth Proportional to 86,525.56, 129,678.99 and 46,445.14

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Solution

The fourth proportional to 86,525.56, 129,678.99 and 46,445.14 is: 69,609.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,525.56 : 129,678.99 = 46,445.14 : x
  2. Step 2: Convert to fraction form
    86,525.56/129,678.99 = 46,445.14/x
  3. Step 3: Cross multiply
    86,525.56x = 129,678.99 × 46,445.14
  4. Step 4: Simplify right side
    86,525.56x = 6,022,958,845.61
  5. Step 5: Solve for x
    x = 6,022,958,845.61/86,525.56
  6. Step 6: Final answer
    x = 69,609.01

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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.