Home / 88,461.51-122,079.72-48,176.97

Finding the Fourth Proportional to 88,461.51, 122,079.72 and 48,176.97

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Solution

The fourth proportional to 88,461.51, 122,079.72 and 48,176.97 is: 66,485.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,461.51 : 122,079.72 = 48,176.97 : x
  2. Step 2: Convert to fraction form
    88,461.51/122,079.72 = 48,176.97/x
  3. Step 3: Cross multiply
    88,461.51x = 122,079.72 × 48,176.97
  4. Step 4: Simplify right side
    88,461.51x = 5,881,431,008.05
  5. Step 5: Solve for x
    x = 5,881,431,008.05/88,461.51
  6. Step 6: Final answer
    x = 66,485.76

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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.