Home / 75,300.48-112,880.88-28,522.08

Finding the Fourth Proportional to 75,300.48, 112,880.88 and 28,522.08

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Solution

The fourth proportional to 75,300.48, 112,880.88 and 28,522.08 is: 42,756.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,300.48 : 112,880.88 = 28,522.08 : x
  2. Step 2: Convert to fraction form
    75,300.48/112,880.88 = 28,522.08/x
  3. Step 3: Cross multiply
    75,300.48x = 112,880.88 × 28,522.08
  4. Step 4: Simplify right side
    75,300.48x = 3,219,597,489.83
  5. Step 5: Solve for x
    x = 3,219,597,489.83/75,300.48
  6. Step 6: Final answer
    x = 42,756.67

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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.