Home / 84,521.21-116,638.88-45,759.06

Finding the Fourth Proportional to 84,521.21, 116,638.88 and 45,759.06

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Solution

The fourth proportional to 84,521.21, 116,638.88 and 45,759.06 is: 63,147.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,521.21 : 116,638.88 = 45,759.06 : x
  2. Step 2: Convert to fraction form
    84,521.21/116,638.88 = 45,759.06/x
  3. Step 3: Cross multiply
    84,521.21x = 116,638.88 × 45,759.06
  4. Step 4: Simplify right side
    84,521.21x = 5,337,285,279.46
  5. Step 5: Solve for x
    x = 5,337,285,279.46/84,521.21
  6. Step 6: Final answer
    x = 63,147.29

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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.