Home / 53,240.10-79,860.15-48,319.35

Finding the Fourth Proportional to 53,240.10, 79,860.15 and 48,319.35

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Solution

The fourth proportional to 53,240.10, 79,860.15 and 48,319.35 is: 72,479.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,240.10 : 79,860.15 = 48,319.35 : x
  2. Step 2: Convert to fraction form
    53,240.10/79,860.15 = 48,319.35/x
  3. Step 3: Cross multiply
    53,240.10x = 79,860.15 × 48,319.35
  4. Step 4: Simplify right side
    53,240.10x = 3,858,790,538.90
  5. Step 5: Solve for x
    x = 3,858,790,538.90/53,240.10
  6. Step 6: Final answer
    x = 72,479.03

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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.