Home / 70,660.28-97,506.60-40,445.84

Finding the Fourth Proportional to 70,660.28, 97,506.60 and 40,445.84

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Solution

The fourth proportional to 70,660.28, 97,506.60 and 40,445.84 is: 55,812.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,660.28 : 97,506.60 = 40,445.84 : x
  2. Step 2: Convert to fraction form
    70,660.28/97,506.60 = 40,445.84/x
  3. Step 3: Cross multiply
    70,660.28x = 97,506.60 × 40,445.84
  4. Step 4: Simplify right side
    70,660.28x = 3,943,736,342.54
  5. Step 5: Solve for x
    x = 3,943,736,342.54/70,660.28
  6. Step 6: Final answer
    x = 55,812.63

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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.