Home / 86,615.46-119,530.80-48,378.33

Finding the Fourth Proportional to 86,615.46, 119,530.80 and 48,378.33

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Solution

The fourth proportional to 86,615.46, 119,530.80 and 48,378.33 is: 66,762.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,615.46 : 119,530.80 = 48,378.33 : x
  2. Step 2: Convert to fraction form
    86,615.46/119,530.80 = 48,378.33/x
  3. Step 3: Cross multiply
    86,615.46x = 119,530.80 × 48,378.33
  4. Step 4: Simplify right side
    86,615.46x = 5,782,700,487.56
  5. Step 5: Solve for x
    x = 5,782,700,487.56/86,615.46
  6. Step 6: Final answer
    x = 66,762.91

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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.