Home / 106,780.41-160,461.54-56,896.11

Finding the Fourth Proportional to 106,780.41, 160,461.54 and 56,896.11

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Solution

The fourth proportional to 106,780.41, 160,461.54 and 56,896.11 is: 85,499.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,780.41 : 160,461.54 = 56,896.11 : x
  2. Step 2: Convert to fraction form
    106,780.41/160,461.54 = 56,896.11/x
  3. Step 3: Cross multiply
    106,780.41x = 160,461.54 × 56,896.11
  4. Step 4: Simplify right side
    106,780.41x = 9,129,637,430.61
  5. Step 5: Solve for x
    x = 9,129,637,430.61/106,780.41
  6. Step 6: Final answer
    x = 85,499.18

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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.