Home / 71,047.36-98,040.04-40,832.72

Finding the Fourth Proportional to 71,047.36, 98,040.04 and 40,832.72

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Solution

The fourth proportional to 71,047.36, 98,040.04 and 40,832.72 is: 56,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,047.36 : 98,040.04 = 40,832.72 : x
  2. Step 2: Convert to fraction form
    71,047.36/98,040.04 = 40,832.72/x
  3. Step 3: Cross multiply
    71,047.36x = 98,040.04 × 40,832.72
  4. Step 4: Simplify right side
    71,047.36x = 4,003,241,502.11
  5. Step 5: Solve for x
    x = 4,003,241,502.11/71,047.36
  6. Step 6: Final answer
    x = 56,346.10

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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.