Home / 84,100.31-116,056.95-45,860.15

Finding the Fourth Proportional to 84,100.31, 116,056.95 and 45,860.15

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Solution

The fourth proportional to 84,100.31, 116,056.95 and 45,860.15 is: 63,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,100.31 : 116,056.95 = 45,860.15 : x
  2. Step 2: Convert to fraction form
    84,100.31/116,056.95 = 45,860.15/x
  3. Step 3: Cross multiply
    84,100.31x = 116,056.95 × 45,860.15
  4. Step 4: Simplify right side
    84,100.31x = 5,322,388,555.26
  5. Step 5: Solve for x
    x = 5,322,388,555.26/84,100.31
  6. Step 6: Final answer
    x = 63,286.20

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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.