Home / 52,461.39-78,135.62-52,207.14

Finding the Fourth Proportional to 52,461.39, 78,135.62 and 52,207.14

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Solution

The fourth proportional to 52,461.39, 78,135.62 and 52,207.14 is: 77,756.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,461.39 : 78,135.62 = 52,207.14 : x
  2. Step 2: Convert to fraction form
    52,461.39/78,135.62 = 52,207.14/x
  3. Step 3: Cross multiply
    52,461.39x = 78,135.62 × 52,207.14
  4. Step 4: Simplify right side
    52,461.39x = 4,079,236,991.29
  5. Step 5: Solve for x
    x = 4,079,236,991.29/52,461.39
  6. Step 6: Final answer
    x = 77,756.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.