Home / 76,422.10-114,633.15-55,686.10

Finding the Fourth Proportional to 76,422.10, 114,633.15 and 55,686.10

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Solution

The fourth proportional to 76,422.10, 114,633.15 and 55,686.10 is: 83,529.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,422.10 : 114,633.15 = 55,686.10 : x
  2. Step 2: Convert to fraction form
    76,422.10/114,633.15 = 55,686.10/x
  3. Step 3: Cross multiply
    76,422.10x = 114,633.15 × 55,686.10
  4. Step 4: Simplify right side
    76,422.10x = 6,383,473,054.22
  5. Step 5: Solve for x
    x = 6,383,473,054.22/76,422.10
  6. Step 6: Final answer
    x = 83,529.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.