Home / 75,315.60-112,973.40-44,211.60

Finding the Fourth Proportional to 75,315.60, 112,973.40 and 44,211.60

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Solution

The fourth proportional to 75,315.60, 112,973.40 and 44,211.60 is: 66,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,315.60 : 112,973.40 = 44,211.60 : x
  2. Step 2: Convert to fraction form
    75,315.60/112,973.40 = 44,211.60/x
  3. Step 3: Cross multiply
    75,315.60x = 112,973.40 × 44,211.60
  4. Step 4: Simplify right side
    75,315.60x = 4,994,734,771.44
  5. Step 5: Solve for x
    x = 4,994,734,771.44/75,315.60
  6. Step 6: Final answer
    x = 66,317.40

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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.