Home / 86,429.56-119,272.08-48,188.64

Finding the Fourth Proportional to 86,429.56, 119,272.08 and 48,188.64

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Solution

The fourth proportional to 86,429.56, 119,272.08 and 48,188.64 is: 66,499.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,429.56 : 119,272.08 = 48,188.64 : x
  2. Step 2: Convert to fraction form
    86,429.56/119,272.08 = 48,188.64/x
  3. Step 3: Cross multiply
    86,429.56x = 119,272.08 × 48,188.64
  4. Step 4: Simplify right side
    86,429.56x = 5,747,559,325.17
  5. Step 5: Solve for x
    x = 5,747,559,325.17/86,429.56
  6. Step 6: Final answer
    x = 66,499.93

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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.