Home / 76,266.12-105,243.03-42,274.23

Finding the Fourth Proportional to 76,266.12, 105,243.03 and 42,274.23

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Solution

The fourth proportional to 76,266.12, 105,243.03 and 42,274.23 is: 58,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,266.12 : 105,243.03 = 42,274.23 : x
  2. Step 2: Convert to fraction form
    76,266.12/105,243.03 = 42,274.23/x
  3. Step 3: Cross multiply
    76,266.12x = 105,243.03 × 42,274.23
  4. Step 4: Simplify right side
    76,266.12x = 4,449,068,056.12
  5. Step 5: Solve for x
    x = 4,449,068,056.12/76,266.12
  6. Step 6: Final answer
    x = 58,336.10

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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.