Home / 64,838.12-89,454.66-52,880.68

Finding the Fourth Proportional to 64,838.12, 89,454.66 and 52,880.68

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Solution

The fourth proportional to 64,838.12, 89,454.66 and 52,880.68 is: 72,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,838.12 : 89,454.66 = 52,880.68 : x
  2. Step 2: Convert to fraction form
    64,838.12/89,454.66 = 52,880.68/x
  3. Step 3: Cross multiply
    64,838.12x = 89,454.66 × 52,880.68
  4. Step 4: Simplify right side
    64,838.12x = 4,730,423,249.97
  5. Step 5: Solve for x
    x = 4,730,423,249.97/64,838.12
  6. Step 6: Final answer
    x = 72,957.44

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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.