Home / 47,271.15-70,920.23-28,556.91

Finding the Fourth Proportional to 47,271.15, 70,920.23 and 28,556.91

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Solution

The fourth proportional to 47,271.15, 70,920.23 and 28,556.91 is: 42,843.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,271.15 : 70,920.23 = 28,556.91 : x
  2. Step 2: Convert to fraction form
    47,271.15/70,920.23 = 28,556.91/x
  3. Step 3: Cross multiply
    47,271.15x = 70,920.23 × 28,556.91
  4. Step 4: Simplify right side
    47,271.15x = 2,025,262,482.50
  5. Step 5: Solve for x
    x = 2,025,262,482.50/47,271.15
  6. Step 6: Final answer
    x = 42,843.52

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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.