Home / 107,127.12-160,704.63-39,649.98

Finding the Fourth Proportional to 107,127.12, 160,704.63 and 39,649.98

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Solution

The fourth proportional to 107,127.12, 160,704.63 and 39,649.98 is: 59,480.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,127.12 : 160,704.63 = 39,649.98 : x
  2. Step 2: Convert to fraction form
    107,127.12/160,704.63 = 39,649.98/x
  3. Step 3: Cross multiply
    107,127.12x = 160,704.63 × 39,649.98
  4. Step 4: Simplify right side
    107,127.12x = 6,371,935,365.41
  5. Step 5: Solve for x
    x = 6,371,935,365.41/107,127.12
  6. Step 6: Final answer
    x = 59,480.13

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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.