Home / 48,621.08-67,119.49-28,475.16

Finding the Fourth Proportional to 48,621.08, 67,119.49 and 28,475.16

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Solution

The fourth proportional to 48,621.08, 67,119.49 and 28,475.16 is: 39,308.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,621.08 : 67,119.49 = 28,475.16 : x
  2. Step 2: Convert to fraction form
    48,621.08/67,119.49 = 28,475.16/x
  3. Step 3: Cross multiply
    48,621.08x = 67,119.49 × 28,475.16
  4. Step 4: Simplify right side
    48,621.08x = 1,911,238,216.87
  5. Step 5: Solve for x
    x = 1,911,238,216.87/48,621.08
  6. Step 6: Final answer
    x = 39,308.84

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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.