Home / 70,548.28-97,341.42-40,723

Finding the Fourth Proportional to 70,548.28, 97,341.42 and 40,723

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Solution

The fourth proportional to 70,548.28, 97,341.42 and 40,723 is: 56,188.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,548.28 : 97,341.42 = 40,723 : x
  2. Step 2: Convert to fraction form
    70,548.28/97,341.42 = 40,723/x
  3. Step 3: Cross multiply
    70,548.28x = 97,341.42 × 40,723
  4. Step 4: Simplify right side
    70,548.28x = 3,964,034,646.66
  5. Step 5: Solve for x
    x = 3,964,034,646.66/70,548.28
  6. Step 6: Final answer
    x = 56,188.96

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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.