Home / 73,671.12-101,666.52-40,137.12

Finding the Fourth Proportional to 73,671.12, 101,666.52 and 40,137.12

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Solution

The fourth proportional to 73,671.12, 101,666.52 and 40,137.12 is: 55,389.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,671.12 : 101,666.52 = 40,137.12 : x
  2. Step 2: Convert to fraction form
    73,671.12/101,666.52 = 40,137.12/x
  3. Step 3: Cross multiply
    73,671.12x = 101,666.52 × 40,137.12
  4. Step 4: Simplify right side
    73,671.12x = 4,080,601,313.22
  5. Step 5: Solve for x
    x = 4,080,601,313.22/73,671.12
  6. Step 6: Final answer
    x = 55,389.43

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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.