Home / 76,840.06-115,184.04-36,812.74

Finding the Fourth Proportional to 76,840.06, 115,184.04 and 36,812.74

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Solution

The fourth proportional to 76,840.06, 115,184.04 and 36,812.74 is: 55,182.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,840.06 : 115,184.04 = 36,812.74 : x
  2. Step 2: Convert to fraction form
    76,840.06/115,184.04 = 36,812.74/x
  3. Step 3: Cross multiply
    76,840.06x = 115,184.04 × 36,812.74
  4. Step 4: Simplify right side
    76,840.06x = 4,240,240,116.67
  5. Step 5: Solve for x
    x = 4,240,240,116.67/76,840.06
  6. Step 6: Final answer
    x = 55,182.68

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1.5x scale

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.