Home / 72,634.29-100,244.67-40,809.33

Finding the Fourth Proportional to 72,634.29, 100,244.67 and 40,809.33

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Solution

The fourth proportional to 72,634.29, 100,244.67 and 40,809.33 is: 56,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,634.29 : 100,244.67 = 40,809.33 : x
  2. Step 2: Convert to fraction form
    72,634.29/100,244.67 = 40,809.33/x
  3. Step 3: Cross multiply
    72,634.29x = 100,244.67 × 40,809.33
  4. Step 4: Simplify right side
    72,634.29x = 4,090,917,818.77
  5. Step 5: Solve for x
    x = 4,090,917,818.77/72,634.29
  6. Step 6: Final answer
    x = 56,322.13

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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.