Home / 42,833.47-64,242.46-11,661.43

Finding the Fourth Proportional to 42,833.47, 64,242.46 and 11,661.43

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Solution

The fourth proportional to 42,833.47, 64,242.46 and 11,661.43 is: 17,490.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,833.47 : 64,242.46 = 11,661.43 : x
  2. Step 2: Convert to fraction form
    42,833.47/64,242.46 = 11,661.43/x
  3. Step 3: Cross multiply
    42,833.47x = 64,242.46 × 11,661.43
  4. Step 4: Simplify right side
    42,833.47x = 749,158,950.32
  5. Step 5: Solve for x
    x = 749,158,950.32/42,833.47
  6. Step 6: Final answer
    x = 17,490.04

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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.