Home / 111,926.16-154,457.82-61,625.16

Finding the Fourth Proportional to 111,926.16, 154,457.82 and 61,625.16

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Solution

The fourth proportional to 111,926.16, 154,457.82 and 61,625.16 is: 85,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,926.16 : 154,457.82 = 61,625.16 : x
  2. Step 2: Convert to fraction form
    111,926.16/154,457.82 = 61,625.16/x
  3. Step 3: Cross multiply
    111,926.16x = 154,457.82 × 61,625.16
  4. Step 4: Simplify right side
    111,926.16x = 9,518,487,870.75
  5. Step 5: Solve for x
    x = 9,518,487,870.75/111,926.16
  6. Step 6: Final answer
    x = 85,042.57

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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.