Home / 48,678.66-67,155.21-28,525.32

Finding the Fourth Proportional to 48,678.66, 67,155.21 and 28,525.32

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Solution

The fourth proportional to 48,678.66, 67,155.21 and 28,525.32 is: 39,352.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,678.66 : 67,155.21 = 28,525.32 : x
  2. Step 2: Convert to fraction form
    48,678.66/67,155.21 = 28,525.32/x
  3. Step 3: Cross multiply
    48,678.66x = 67,155.21 × 28,525.32
  4. Step 4: Simplify right side
    48,678.66x = 1,915,623,854.92
  5. Step 5: Solve for x
    x = 1,915,623,854.92/48,678.66
  6. Step 6: Final answer
    x = 39,352.44

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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.