Home / 107,534.18-148,383.09-59,778

Finding the Fourth Proportional to 107,534.18, 148,383.09 and 59,778

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Solution

The fourth proportional to 107,534.18, 148,383.09 and 59,778 is: 82,485.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,534.18 : 148,383.09 = 59,778 : x
  2. Step 2: Convert to fraction form
    107,534.18/148,383.09 = 59,778/x
  3. Step 3: Cross multiply
    107,534.18x = 148,383.09 × 59,778
  4. Step 4: Simplify right side
    107,534.18x = 8,870,044,354.02
  5. Step 5: Solve for x
    x = 8,870,044,354.02/107,534.18
  6. Step 6: Final answer
    x = 82,485.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.