Home / 82,752.98-124,032.26-38,285.81

Finding the Fourth Proportional to 82,752.98, 124,032.26 and 38,285.81

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Solution

The fourth proportional to 82,752.98, 124,032.26 and 38,285.81 is: 57,383.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,752.98 : 124,032.26 = 38,285.81 : x
  2. Step 2: Convert to fraction form
    82,752.98/124,032.26 = 38,285.81/x
  3. Step 3: Cross multiply
    82,752.98x = 124,032.26 × 38,285.81
  4. Step 4: Simplify right side
    82,752.98x = 4,748,674,728.64
  5. Step 5: Solve for x
    x = 4,748,674,728.64/82,752.98
  6. Step 6: Final answer
    x = 57,383.73

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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.