Home / 75,722.40-113,364.90-73,535.40

Finding the Fourth Proportional to 75,722.40, 113,364.90 and 73,535.40

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Solution

The fourth proportional to 75,722.40, 113,364.90 and 73,535.40 is: 110,090.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,722.40 : 113,364.90 = 73,535.40 : x
  2. Step 2: Convert to fraction form
    75,722.40/113,364.90 = 73,535.40/x
  3. Step 3: Cross multiply
    75,722.40x = 113,364.90 × 73,535.40
  4. Step 4: Simplify right side
    75,722.40x = 8,336,333,267.46
  5. Step 5: Solve for x
    x = 8,336,333,267.46/75,722.40
  6. Step 6: Final answer
    x = 110,090.72

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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.