Home / 79,999.40-110,364.98-56,141.66

Finding the Fourth Proportional to 79,999.40, 110,364.98 and 56,141.66

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Solution

The fourth proportional to 79,999.40, 110,364.98 and 56,141.66 is: 77,451.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,999.40 : 110,364.98 = 56,141.66 : x
  2. Step 2: Convert to fraction form
    79,999.40/110,364.98 = 56,141.66/x
  3. Step 3: Cross multiply
    79,999.40x = 110,364.98 × 56,141.66
  4. Step 4: Simplify right side
    79,999.40x = 6,196,073,183.07
  5. Step 5: Solve for x
    x = 6,196,073,183.07/79,999.40
  6. Step 6: Final answer
    x = 77,451.50

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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.