Home / 64,634.57-89,174.27-52,677.35

Finding the Fourth Proportional to 64,634.57, 89,174.27 and 52,677.35

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Solution

The fourth proportional to 64,634.57, 89,174.27 and 52,677.35 is: 72,677.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,634.57 : 89,174.27 = 52,677.35 : x
  2. Step 2: Convert to fraction form
    64,634.57/89,174.27 = 52,677.35/x
  3. Step 3: Cross multiply
    64,634.57x = 89,174.27 × 52,677.35
  4. Step 4: Simplify right side
    64,634.57x = 4,697,463,968.40
  5. Step 5: Solve for x
    x = 4,697,463,968.40/64,634.57
  6. Step 6: Final answer
    x = 72,677.27

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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.