Home / 86,050.32-118,701.63-79,961.42

Finding the Fourth Proportional to 86,050.32, 118,701.63 and 79,961.42

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Solution

The fourth proportional to 86,050.32, 118,701.63 and 79,961.42 is: 110,302.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,050.32 : 118,701.63 = 79,961.42 : x
  2. Step 2: Convert to fraction form
    86,050.32/118,701.63 = 79,961.42/x
  3. Step 3: Cross multiply
    86,050.32x = 118,701.63 × 79,961.42
  4. Step 4: Simplify right side
    86,050.32x = 9,491,550,297.61
  5. Step 5: Solve for x
    x = 9,491,550,297.61/86,050.32
  6. Step 6: Final answer
    x = 110,302.32

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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.