Home / 75,284.48-112,756.80-43,222.40

Finding the Fourth Proportional to 75,284.48, 112,756.80 and 43,222.40

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Solution

The fourth proportional to 75,284.48, 112,756.80 and 43,222.40 is: 64,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,284.48 : 112,756.80 = 43,222.40 : x
  2. Step 2: Convert to fraction form
    75,284.48/112,756.80 = 43,222.40/x
  3. Step 3: Cross multiply
    75,284.48x = 112,756.80 × 43,222.40
  4. Step 4: Simplify right side
    75,284.48x = 4,873,619,512.32
  5. Step 5: Solve for x
    x = 4,873,619,512.32/75,284.48
  6. Step 6: Final answer
    x = 64,736.05

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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.