Home / 52,498.08-78,741.27-18,756.86

Finding the Fourth Proportional to 52,498.08, 78,741.27 and 18,756.86

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Solution

The fourth proportional to 52,498.08, 78,741.27 and 18,756.86 is: 28,133.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,498.08 : 78,741.27 = 18,756.86 : x
  2. Step 2: Convert to fraction form
    52,498.08/78,741.27 = 18,756.86/x
  3. Step 3: Cross multiply
    52,498.08x = 78,741.27 × 18,756.86
  4. Step 4: Simplify right side
    52,498.08x = 1,476,938,583.91
  5. Step 5: Solve for x
    x = 1,476,938,583.91/52,498.08
  6. Step 6: Final answer
    x = 28,133.19

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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.