Home / 95,005.12-131,085.84-56,754.40

Finding the Fourth Proportional to 95,005.12, 131,085.84 and 56,754.40

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Solution

The fourth proportional to 95,005.12, 131,085.84 and 56,754.40 is: 78,308.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,005.12 : 131,085.84 = 56,754.40 : x
  2. Step 2: Convert to fraction form
    95,005.12/131,085.84 = 56,754.40/x
  3. Step 3: Cross multiply
    95,005.12x = 131,085.84 × 56,754.40
  4. Step 4: Simplify right side
    95,005.12x = 7,439,698,197.70
  5. Step 5: Solve for x
    x = 7,439,698,197.70/95,005.12
  6. Step 6: Final answer
    x = 78,308.39

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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.