Home / 40,415.10-60,611.85-14,117.10

Finding the Fourth Proportional to 40,415.10, 60,611.85 and 14,117.10

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Solution

The fourth proportional to 40,415.10, 60,611.85 and 14,117.10 is: 21,171.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,415.10 : 60,611.85 = 14,117.10 : x
  2. Step 2: Convert to fraction form
    40,415.10/60,611.85 = 14,117.10/x
  3. Step 3: Cross multiply
    40,415.10x = 60,611.85 × 14,117.10
  4. Step 4: Simplify right side
    40,415.10x = 855,663,547.64
  5. Step 5: Solve for x
    x = 855,663,547.64/40,415.10
  6. Step 6: Final answer
    x = 21,171.88

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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.