Home / 70,630.25-97,476.59-40,419.88

Finding the Fourth Proportional to 70,630.25, 97,476.59 and 40,419.88

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Solution

The fourth proportional to 70,630.25, 97,476.59 and 40,419.88 is: 55,783.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,630.25 : 97,476.59 = 40,419.88 : x
  2. Step 2: Convert to fraction form
    70,630.25/97,476.59 = 40,419.88/x
  3. Step 3: Cross multiply
    70,630.25x = 97,476.59 × 40,419.88
  4. Step 4: Simplify right side
    70,630.25x = 3,939,991,927.97
  5. Step 5: Solve for x
    x = 3,939,991,927.97/70,630.25
  6. Step 6: Final answer
    x = 55,783.35

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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.