Home / 70,586.28-97,405.47-40,370.04

Finding the Fourth Proportional to 70,586.28, 97,405.47 and 40,370.04

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Solution

The fourth proportional to 70,586.28, 97,405.47 and 40,370.04 is: 55,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,586.28 : 97,405.47 = 40,370.04 : x
  2. Step 2: Convert to fraction form
    70,586.28/97,405.47 = 40,370.04/x
  3. Step 3: Cross multiply
    70,586.28x = 97,405.47 × 40,370.04
  4. Step 4: Simplify right side
    70,586.28x = 3,932,262,720.12
  5. Step 5: Solve for x
    x = 3,932,262,720.12/70,586.28
  6. Step 6: Final answer
    x = 55,708.60

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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.