Home / 74,364.48-102,536.28-55,468.80

Finding the Fourth Proportional to 74,364.48, 102,536.28 and 55,468.80

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Solution

The fourth proportional to 74,364.48, 102,536.28 and 55,468.80 is: 76,482.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,364.48 : 102,536.28 = 55,468.80 : x
  2. Step 2: Convert to fraction form
    74,364.48/102,536.28 = 55,468.80/x
  3. Step 3: Cross multiply
    74,364.48x = 102,536.28 × 55,468.80
  4. Step 4: Simplify right side
    74,364.48x = 5,687,564,408.06
  5. Step 5: Solve for x
    x = 5,687,564,408.06/74,364.48
  6. Step 6: Final answer
    x = 76,482.27

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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.