Home / 84,217.84-116,218.74-45,975.90

Finding the Fourth Proportional to 84,217.84, 116,218.74 and 45,975.90

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Solution

The fourth proportional to 84,217.84, 116,218.74 and 45,975.90 is: 63,445.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,217.84 : 116,218.74 = 45,975.90 : x
  2. Step 2: Convert to fraction form
    84,217.84/116,218.74 = 45,975.90/x
  3. Step 3: Cross multiply
    84,217.84x = 116,218.74 × 45,975.90
  4. Step 4: Simplify right side
    84,217.84x = 5,343,261,453.33
  5. Step 5: Solve for x
    x = 5,343,261,453.33/84,217.84
  6. Step 6: Final answer
    x = 63,445.72

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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.