Home / 72,583.83-100,165.76-40,752.81

Finding the Fourth Proportional to 72,583.83, 100,165.76 and 40,752.81

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Solution

The fourth proportional to 72,583.83, 100,165.76 and 40,752.81 is: 56,238.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,583.83 : 100,165.76 = 40,752.81 : x
  2. Step 2: Convert to fraction form
    72,583.83/100,165.76 = 40,752.81/x
  3. Step 3: Cross multiply
    72,583.83x = 100,165.76 × 40,752.81
  4. Step 4: Simplify right side
    72,583.83x = 4,082,035,982.02
  5. Step 5: Solve for x
    x = 4,082,035,982.02/72,583.83
  6. Step 6: Final answer
    x = 56,238.92

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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.