Home / 75,303.51-112,951.85-33,172.32

Finding the Fourth Proportional to 75,303.51, 112,951.85 and 33,172.32

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Solution

The fourth proportional to 75,303.51, 112,951.85 and 33,172.32 is: 49,756.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,303.51 : 112,951.85 = 33,172.32 : x
  2. Step 2: Convert to fraction form
    75,303.51/112,951.85 = 33,172.32/x
  3. Step 3: Cross multiply
    75,303.51x = 112,951.85 × 33,172.32
  4. Step 4: Simplify right side
    75,303.51x = 3,746,874,912.79
  5. Step 5: Solve for x
    x = 3,746,874,912.79/75,303.51
  6. Step 6: Final answer
    x = 49,756.98

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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.