Home / 83,623.24-115,400.50-45,897.52

Finding the Fourth Proportional to 83,623.24, 115,400.50 and 45,897.52

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Solution

The fourth proportional to 83,623.24, 115,400.50 and 45,897.52 is: 63,338.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,623.24 : 115,400.50 = 45,897.52 : x
  2. Step 2: Convert to fraction form
    83,623.24/115,400.50 = 45,897.52/x
  3. Step 3: Cross multiply
    83,623.24x = 115,400.50 × 45,897.52
  4. Step 4: Simplify right side
    83,623.24x = 5,296,596,756.76
  5. Step 5: Solve for x
    x = 5,296,596,756.76/83,623.24
  6. Step 6: Final answer
    x = 63,338.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.