Home / 71,328.48-98,433.29-39,497.37

Finding the Fourth Proportional to 71,328.48, 98,433.29 and 39,497.37

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Solution

The fourth proportional to 71,328.48, 98,433.29 and 39,497.37 is: 54,506.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,328.48 : 98,433.29 = 39,497.37 : x
  2. Step 2: Convert to fraction form
    71,328.48/98,433.29 = 39,497.37/x
  3. Step 3: Cross multiply
    71,328.48x = 98,433.29 × 39,497.37
  4. Step 4: Simplify right side
    71,328.48x = 3,887,855,877.96
  5. Step 5: Solve for x
    x = 3,887,855,877.96/71,328.48
  6. Step 6: Final answer
    x = 54,506.36

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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.