Home / 53,272.08-72,981.68-51,277.86

Finding the Fourth Proportional to 53,272.08, 72,981.68 and 51,277.86

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Solution

The fourth proportional to 53,272.08, 72,981.68 and 51,277.86 is: 70,249.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,272.08 : 72,981.68 = 51,277.86 : x
  2. Step 2: Convert to fraction form
    53,272.08/72,981.68 = 51,277.86/x
  3. Step 3: Cross multiply
    53,272.08x = 72,981.68 × 51,277.86
  4. Step 4: Simplify right side
    53,272.08x = 3,742,344,113.22
  5. Step 5: Solve for x
    x = 3,742,344,113.22/53,272.08
  6. Step 6: Final answer
    x = 70,249.63

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.