Home / 75,218.63-112,903.88-33,117.46

Finding the Fourth Proportional to 75,218.63, 112,903.88 and 33,117.46

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Solution

The fourth proportional to 75,218.63, 112,903.88 and 33,117.46 is: 49,709.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,218.63 : 112,903.88 = 33,117.46 : x
  2. Step 2: Convert to fraction form
    75,218.63/112,903.88 = 33,117.46/x
  3. Step 3: Cross multiply
    75,218.63x = 112,903.88 × 33,117.46
  4. Step 4: Simplify right side
    75,218.63x = 3,739,089,281.90
  5. Step 5: Solve for x
    x = 3,739,089,281.90/75,218.63
  6. Step 6: Final answer
    x = 49,709.62

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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.