Home / 89,582.69-123,491.64-57,313.85

Finding the Fourth Proportional to 89,582.69, 123,491.64 and 57,313.85

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Solution

The fourth proportional to 89,582.69, 123,491.64 and 57,313.85 is: 79,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,582.69 : 123,491.64 = 57,313.85 : x
  2. Step 2: Convert to fraction form
    89,582.69/123,491.64 = 57,313.85/x
  3. Step 3: Cross multiply
    89,582.69x = 123,491.64 × 57,313.85
  4. Step 4: Simplify right side
    89,582.69x = 7,077,780,713.76
  5. Step 5: Solve for x
    x = 7,077,780,713.76/89,582.69
  6. Step 6: Final answer
    x = 79,008.36

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1.5x scale

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.