Home / 43,048.53-64,572.69-11,458.59

Finding the Fourth Proportional to 43,048.53, 64,572.69 and 11,458.59

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Solution

The fourth proportional to 43,048.53, 64,572.69 and 11,458.59 is: 17,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,048.53 : 64,572.69 = 11,458.59 : x
  2. Step 2: Convert to fraction form
    43,048.53/64,572.69 = 11,458.59/x
  3. Step 3: Cross multiply
    43,048.53x = 64,572.69 × 11,458.59
  4. Step 4: Simplify right side
    43,048.53x = 739,911,979.91
  5. Step 5: Solve for x
    x = 739,911,979.91/43,048.53
  6. Step 6: Final answer
    x = 17,187.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.