Home / 86,039.52-118,735.92-48,312.96

Finding the Fourth Proportional to 86,039.52, 118,735.92 and 48,312.96

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Solution

The fourth proportional to 86,039.52, 118,735.92 and 48,312.96 is: 66,672.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,039.52 : 118,735.92 = 48,312.96 : x
  2. Step 2: Convert to fraction form
    86,039.52/118,735.92 = 48,312.96/x
  3. Step 3: Cross multiply
    86,039.52x = 118,735.92 × 48,312.96
  4. Step 4: Simplify right side
    86,039.52x = 5,736,483,753.52
  5. Step 5: Solve for x
    x = 5,736,483,753.52/86,039.52
  6. Step 6: Final answer
    x = 66,672.66

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1.5x scale

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.