Home / 86,316.12-119,116.44-48,075.36

Finding the Fourth Proportional to 86,316.12, 119,116.44 and 48,075.36

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Solution

The fourth proportional to 86,316.12, 119,116.44 and 48,075.36 is: 66,344.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,316.12 : 119,116.44 = 48,075.36 : x
  2. Step 2: Convert to fraction form
    86,316.12/119,116.44 = 48,075.36/x
  3. Step 3: Cross multiply
    86,316.12x = 119,116.44 × 48,075.36
  4. Step 4: Simplify right side
    86,316.12x = 5,726,565,734.92
  5. Step 5: Solve for x
    x = 5,726,565,734.92/86,316.12
  6. Step 6: Final answer
    x = 66,344.11

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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.