Home / 71,646.81-98,864.75-41,427.56

Finding the Fourth Proportional to 71,646.81, 98,864.75 and 41,427.56

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Solution

The fourth proportional to 71,646.81, 98,864.75 and 41,427.56 is: 57,165.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,646.81 : 98,864.75 = 41,427.56 : x
  2. Step 2: Convert to fraction form
    71,646.81/98,864.75 = 41,427.56/x
  3. Step 3: Cross multiply
    71,646.81x = 98,864.75 × 41,427.56
  4. Step 4: Simplify right side
    71,646.81x = 4,095,725,135.36
  5. Step 5: Solve for x
    x = 4,095,725,135.36/71,646.81
  6. Step 6: Final answer
    x = 57,165.49

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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.