Home / 84,411.24-116,420.24-71,706.48

Finding the Fourth Proportional to 84,411.24, 116,420.24 and 71,706.48

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Solution

The fourth proportional to 84,411.24, 116,420.24 and 71,706.48 is: 98,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,411.24 : 116,420.24 = 71,706.48 : x
  2. Step 2: Convert to fraction form
    84,411.24/116,420.24 = 71,706.48/x
  3. Step 3: Cross multiply
    84,411.24x = 116,420.24 × 71,706.48
  4. Step 4: Simplify right side
    84,411.24x = 8,348,085,353.85
  5. Step 5: Solve for x
    x = 8,348,085,353.85/84,411.24
  6. Step 6: Final answer
    x = 98,897.80

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1.5x scale

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.