Home / 72,496.77-100,045.40-40,236.34

Finding the Fourth Proportional to 72,496.77, 100,045.40 and 40,236.34

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Solution

The fourth proportional to 72,496.77, 100,045.40 and 40,236.34 is: 55,526.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,496.77 : 100,045.40 = 40,236.34 : x
  2. Step 2: Convert to fraction form
    72,496.77/100,045.40 = 40,236.34/x
  3. Step 3: Cross multiply
    72,496.77x = 100,045.40 × 40,236.34
  4. Step 4: Simplify right side
    72,496.77x = 4,025,460,278.54
  5. Step 5: Solve for x
    x = 4,025,460,278.54/72,496.77
  6. Step 6: Final answer
    x = 55,526.06

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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.