Home / 72,583.33-100,165.07-40,752.30

Finding the Fourth Proportional to 72,583.33, 100,165.07 and 40,752.30

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Solution

The fourth proportional to 72,583.33, 100,165.07 and 40,752.30 is: 56,238.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,583.33 : 100,165.07 = 40,752.30 : x
  2. Step 2: Convert to fraction form
    72,583.33/100,165.07 = 40,752.30/x
  3. Step 3: Cross multiply
    72,583.33x = 100,165.07 × 40,752.30
  4. Step 4: Simplify right side
    72,583.33x = 4,081,956,982.16
  5. Step 5: Solve for x
    x = 4,081,956,982.16/72,583.33
  6. Step 6: Final answer
    x = 56,238.22

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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.