Home / 74,361.36-102,624.87-42,536.40

Finding the Fourth Proportional to 74,361.36, 102,624.87 and 42,536.40

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Solution

The fourth proportional to 74,361.36, 102,624.87 and 42,536.40 is: 58,703.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,361.36 : 102,624.87 = 42,536.40 : x
  2. Step 2: Convert to fraction form
    74,361.36/102,624.87 = 42,536.40/x
  3. Step 3: Cross multiply
    74,361.36x = 102,624.87 × 42,536.40
  4. Step 4: Simplify right side
    74,361.36x = 4,365,292,520.27
  5. Step 5: Solve for x
    x = 4,365,292,520.27/74,361.36
  6. Step 6: Final answer
    x = 58,703.77

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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.