Home / 52,605.69-78,908.47-13,162.77

Finding the Fourth Proportional to 52,605.69, 78,908.47 and 13,162.77

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Solution

The fourth proportional to 52,605.69, 78,908.47 and 13,162.77 is: 19,744.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,605.69 : 78,908.47 = 13,162.77 : x
  2. Step 2: Convert to fraction form
    52,605.69/78,908.47 = 13,162.77/x
  3. Step 3: Cross multiply
    52,605.69x = 78,908.47 × 13,162.77
  4. Step 4: Simplify right side
    52,605.69x = 1,038,654,041.66
  5. Step 5: Solve for x
    x = 1,038,654,041.66/52,605.69
  6. Step 6: Final answer
    x = 19,744.14

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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.