Home / 72,427.29-99,954.27-40,596.19

Finding the Fourth Proportional to 72,427.29, 99,954.27 and 40,596.19

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Solution

The fourth proportional to 72,427.29, 99,954.27 and 40,596.19 is: 56,025.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,427.29 : 99,954.27 = 40,596.19 : x
  2. Step 2: Convert to fraction form
    72,427.29/99,954.27 = 40,596.19/x
  3. Step 3: Cross multiply
    72,427.29x = 99,954.27 × 40,596.19
  4. Step 4: Simplify right side
    72,427.29x = 4,057,762,371.98
  5. Step 5: Solve for x
    x = 4,057,762,371.98/72,427.29
  6. Step 6: Final answer
    x = 56,025.32

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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.