Home / 84,277.53-116,275.10-55,611.43

Finding the Fourth Proportional to 84,277.53, 116,275.10 and 55,611.43

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Solution

The fourth proportional to 84,277.53, 116,275.10 and 55,611.43 is: 76,725.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,277.53 : 116,275.10 = 55,611.43 : x
  2. Step 2: Convert to fraction form
    84,277.53/116,275.10 = 55,611.43/x
  3. Step 3: Cross multiply
    84,277.53x = 116,275.10 × 55,611.43
  4. Step 4: Simplify right side
    84,277.53x = 6,466,224,015.65
  5. Step 5: Solve for x
    x = 6,466,224,015.65/84,277.53
  6. Step 6: Final answer
    x = 76,725.36

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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.