Home / 86,460.84-119,361.06-61,370.28

Finding the Fourth Proportional to 86,460.84, 119,361.06 and 61,370.28

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Solution

The fourth proportional to 86,460.84, 119,361.06 and 61,370.28 is: 84,723.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,460.84 : 119,361.06 = 61,370.28 : x
  2. Step 2: Convert to fraction form
    86,460.84/119,361.06 = 61,370.28/x
  3. Step 3: Cross multiply
    86,460.84x = 119,361.06 × 61,370.28
  4. Step 4: Simplify right side
    86,460.84x = 7,325,221,673.30
  5. Step 5: Solve for x
    x = 7,325,221,673.30/86,460.84
  6. Step 6: Final answer
    x = 84,723.00

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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.