Home / 70,974.04-97,940.86-40,738.07

Finding the Fourth Proportional to 70,974.04, 97,940.86 and 40,738.07

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Solution

The fourth proportional to 70,974.04, 97,940.86 and 40,738.07 is: 56,216.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,974.04 : 97,940.86 = 40,738.07 : x
  2. Step 2: Convert to fraction form
    70,974.04/97,940.86 = 40,738.07/x
  3. Step 3: Cross multiply
    70,974.04x = 97,940.86 × 40,738.07
  4. Step 4: Simplify right side
    70,974.04x = 3,989,921,753.55
  5. Step 5: Solve for x
    x = 3,989,921,753.55/70,974.04
  6. Step 6: Final answer
    x = 56,216.64

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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.