Home / 40,895.13-61,342.70-11,312.20

Finding the Fourth Proportional to 40,895.13, 61,342.70 and 11,312.20

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Solution

The fourth proportional to 40,895.13, 61,342.70 and 11,312.20 is: 16,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,895.13 : 61,342.70 = 11,312.20 : x
  2. Step 2: Convert to fraction form
    40,895.13/61,342.70 = 11,312.20/x
  3. Step 3: Cross multiply
    40,895.13x = 61,342.70 × 11,312.20
  4. Step 4: Simplify right side
    40,895.13x = 693,920,890.94
  5. Step 5: Solve for x
    x = 693,920,890.94/40,895.13
  6. Step 6: Final answer
    x = 16,968.30

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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.