Home / 111,506.10-153,877.77-60,519.84

Finding the Fourth Proportional to 111,506.10, 153,877.77 and 60,519.84

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Solution

The fourth proportional to 111,506.10, 153,877.77 and 60,519.84 is: 83,517.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,506.10 : 153,877.77 = 60,519.84 : x
  2. Step 2: Convert to fraction form
    111,506.10/153,877.77 = 60,519.84/x
  3. Step 3: Cross multiply
    111,506.10x = 153,877.77 × 60,519.84
  4. Step 4: Simplify right side
    111,506.10x = 9,312,658,019.96
  5. Step 5: Solve for x
    x = 9,312,658,019.96/111,506.10
  6. Step 6: Final answer
    x = 83,517.03

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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.