Home / 50,985.64-70,352.58-28,625.32

Finding the Fourth Proportional to 50,985.64, 70,352.58 and 28,625.32

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Solution

The fourth proportional to 50,985.64, 70,352.58 and 28,625.32 is: 39,498.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,985.64 : 70,352.58 = 28,625.32 : x
  2. Step 2: Convert to fraction form
    50,985.64/70,352.58 = 28,625.32/x
  3. Step 3: Cross multiply
    50,985.64x = 70,352.58 × 28,625.32
  4. Step 4: Simplify right side
    50,985.64x = 2,013,865,115.33
  5. Step 5: Solve for x
    x = 2,013,865,115.33/50,985.64
  6. Step 6: Final answer
    x = 39,498.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.