Home / 86,954.21-130,194.18-65,830.35

Finding the Fourth Proportional to 86,954.21, 130,194.18 and 65,830.35

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Solution

The fourth proportional to 86,954.21, 130,194.18 and 65,830.35 is: 98,566.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,954.21 : 130,194.18 = 65,830.35 : x
  2. Step 2: Convert to fraction form
    86,954.21/130,194.18 = 65,830.35/x
  3. Step 3: Cross multiply
    86,954.21x = 130,194.18 × 65,830.35
  4. Step 4: Simplify right side
    86,954.21x = 8,570,728,437.36
  5. Step 5: Solve for x
    x = 8,570,728,437.36/86,954.21
  6. Step 6: Final answer
    x = 98,566.00

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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.