Home / 84,234.90-116,263.71-55,559.70

Finding the Fourth Proportional to 84,234.90, 116,263.71 and 55,559.70

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Solution

The fourth proportional to 84,234.90, 116,263.71 and 55,559.70 is: 76,685.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,234.90 : 116,263.71 = 55,559.70 : x
  2. Step 2: Convert to fraction form
    84,234.90/116,263.71 = 55,559.70/x
  3. Step 3: Cross multiply
    84,234.90x = 116,263.71 × 55,559.70
  4. Step 4: Simplify right side
    84,234.90x = 6,459,576,848.49
  5. Step 5: Solve for x
    x = 6,459,576,848.49/84,234.90
  6. Step 6: Final answer
    x = 76,685.28

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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.