Home / 53,455.16-80,095.18-28,468.68

Finding the Fourth Proportional to 53,455.16, 80,095.18 and 28,468.68

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Solution

The fourth proportional to 53,455.16, 80,095.18 and 28,468.68 is: 42,656.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,455.16 : 80,095.18 = 28,468.68 : x
  2. Step 2: Convert to fraction form
    53,455.16/80,095.18 = 28,468.68/x
  3. Step 3: Cross multiply
    53,455.16x = 80,095.18 × 28,468.68
  4. Step 4: Simplify right side
    53,455.16x = 2,280,204,048.96
  5. Step 5: Solve for x
    x = 2,280,204,048.96/53,455.16
  6. Step 6: Final answer
    x = 42,656.39

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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.