Home / 82,897.12-124,382.40-43,444.81

Finding the Fourth Proportional to 82,897.12, 124,382.40 and 43,444.81

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Solution

The fourth proportional to 82,897.12, 124,382.40 and 43,444.81 is: 65,186.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,897.12 : 124,382.40 = 43,444.81 : x
  2. Step 2: Convert to fraction form
    82,897.12/124,382.40 = 43,444.81/x
  3. Step 3: Cross multiply
    82,897.12x = 124,382.40 × 43,444.81
  4. Step 4: Simplify right side
    82,897.12x = 5,403,769,735.34
  5. Step 5: Solve for x
    x = 5,403,769,735.34/82,897.12
  6. Step 6: Final answer
    x = 65,186.46

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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.