Home / 64,895.10-89,574.39-38,043.42

Finding the Fourth Proportional to 64,895.10, 89,574.39 and 38,043.42

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Solution

The fourth proportional to 64,895.10, 89,574.39 and 38,043.42 is: 52,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,895.10 : 89,574.39 = 38,043.42 : x
  2. Step 2: Convert to fraction form
    64,895.10/89,574.39 = 38,043.42/x
  3. Step 3: Cross multiply
    64,895.10x = 89,574.39 × 38,043.42
  4. Step 4: Simplify right side
    64,895.10x = 3,407,716,140.01
  5. Step 5: Solve for x
    x = 3,407,716,140.01/64,895.10
  6. Step 6: Final answer
    x = 52,511.15

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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.