Home / 72,076.03-99,455.65-40,246.27

Finding the Fourth Proportional to 72,076.03, 99,455.65 and 40,246.27

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Solution

The fourth proportional to 72,076.03, 99,455.65 and 40,246.27 is: 55,534.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,076.03 : 99,455.65 = 40,246.27 : x
  2. Step 2: Convert to fraction form
    72,076.03/99,455.65 = 40,246.27/x
  3. Step 3: Cross multiply
    72,076.03x = 99,455.65 × 40,246.27
  4. Step 4: Simplify right side
    72,076.03x = 4,002,718,593.67
  5. Step 5: Solve for x
    x = 4,002,718,593.67/72,076.03
  6. Step 6: Final answer
    x = 55,534.67

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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.