Home / 43,053.47-64,580.11-11,888.63

Finding the Fourth Proportional to 43,053.47, 64,580.11 and 11,888.63

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Solution

The fourth proportional to 43,053.47, 64,580.11 and 11,888.63 is: 17,832.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,053.47 : 64,580.11 = 11,888.63 : x
  2. Step 2: Convert to fraction form
    43,053.47/64,580.11 = 11,888.63/x
  3. Step 3: Cross multiply
    43,053.47x = 64,580.11 × 11,888.63
  4. Step 4: Simplify right side
    43,053.47x = 767,768,650.81
  5. Step 5: Solve for x
    x = 767,768,650.81/43,053.47
  6. Step 6: Final answer
    x = 17,832.91

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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.