Home / 84,407.37-116,427.15-54,144.75

Finding the Fourth Proportional to 84,407.37, 116,427.15 and 54,144.75

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Solution

The fourth proportional to 84,407.37, 116,427.15 and 54,144.75 is: 74,684.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,407.37 : 116,427.15 = 54,144.75 : x
  2. Step 2: Convert to fraction form
    84,407.37/116,427.15 = 54,144.75/x
  3. Step 3: Cross multiply
    84,407.37x = 116,427.15 × 54,144.75
  4. Step 4: Simplify right side
    84,407.37x = 6,303,918,929.96
  5. Step 5: Solve for x
    x = 6,303,918,929.96/84,407.37
  6. Step 6: Final answer
    x = 74,684.46

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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.