Home / 70,632.06-97,489.07-40,434.84

Finding the Fourth Proportional to 70,632.06, 97,489.07 and 40,434.84

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Solution

The fourth proportional to 70,632.06, 97,489.07 and 40,434.84 is: 55,809.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,632.06 : 97,489.07 = 40,434.84 : x
  2. Step 2: Convert to fraction form
    70,632.06/97,489.07 = 40,434.84/x
  3. Step 3: Cross multiply
    70,632.06x = 97,489.07 × 40,434.84
  4. Step 4: Simplify right side
    70,632.06x = 3,941,954,745.02
  5. Step 5: Solve for x
    x = 3,941,954,745.02/70,632.06
  6. Step 6: Final answer
    x = 55,809.71

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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.