Home / 53,031.44-79,479.12-44,808.32

Finding the Fourth Proportional to 53,031.44, 79,479.12 and 44,808.32

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Solution

The fourth proportional to 53,031.44, 79,479.12 and 44,808.32 is: 67,154.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,031.44 : 79,479.12 = 44,808.32 : x
  2. Step 2: Convert to fraction form
    53,031.44/79,479.12 = 44,808.32/x
  3. Step 3: Cross multiply
    53,031.44x = 79,479.12 × 44,808.32
  4. Step 4: Simplify right side
    53,031.44x = 3,561,325,842.28
  5. Step 5: Solve for x
    x = 3,561,325,842.28/53,031.44
  6. Step 6: Final answer
    x = 67,154.99

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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.