Home / 86,261.34-119,039.43-48,535.50

Finding the Fourth Proportional to 86,261.34, 119,039.43 and 48,535.50

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Solution

The fourth proportional to 86,261.34, 119,039.43 and 48,535.50 is: 66,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,261.34 : 119,039.43 = 48,535.50 : x
  2. Step 2: Convert to fraction form
    86,261.34/119,039.43 = 48,535.50/x
  3. Step 3: Cross multiply
    86,261.34x = 119,039.43 × 48,535.50
  4. Step 4: Simplify right side
    86,261.34x = 5,777,638,254.77
  5. Step 5: Solve for x
    x = 5,777,638,254.77/86,261.34
  6. Step 6: Final answer
    x = 66,978.30

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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.