Home / 73,018.63-100,767.03-42,825.75

Finding the Fourth Proportional to 73,018.63, 100,767.03 and 42,825.75

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Solution

The fourth proportional to 73,018.63, 100,767.03 and 42,825.75 is: 59,100.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,018.63 : 100,767.03 = 42,825.75 : x
  2. Step 2: Convert to fraction form
    73,018.63/100,767.03 = 42,825.75/x
  3. Step 3: Cross multiply
    73,018.63x = 100,767.03 × 42,825.75
  4. Step 4: Simplify right side
    73,018.63x = 4,315,423,635.02
  5. Step 5: Solve for x
    x = 4,315,423,635.02/73,018.63
  6. Step 6: Final answer
    x = 59,100.31

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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.