Home / 72,535.93-100,095.09-40,268.67

Finding the Fourth Proportional to 72,535.93, 100,095.09 and 40,268.67

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Solution

The fourth proportional to 72,535.93, 100,095.09 and 40,268.67 is: 55,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,535.93 : 100,095.09 = 40,268.67 : x
  2. Step 2: Convert to fraction form
    72,535.93/100,095.09 = 40,268.67/x
  3. Step 3: Cross multiply
    72,535.93x = 100,095.09 × 40,268.67
  4. Step 4: Simplify right side
    72,535.93x = 4,030,696,129.49
  5. Step 5: Solve for x
    x = 4,030,696,129.49/72,535.93
  6. Step 6: Final answer
    x = 55,568.27

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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.