Home / 88,079.12-121,541.16-52,262.96

Finding the Fourth Proportional to 88,079.12, 121,541.16 and 52,262.96

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Solution

The fourth proportional to 88,079.12, 121,541.16 and 52,262.96 is: 72,118.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,079.12 : 121,541.16 = 52,262.96 : x
  2. Step 2: Convert to fraction form
    88,079.12/121,541.16 = 52,262.96/x
  3. Step 3: Cross multiply
    88,079.12x = 121,541.16 × 52,262.96
  4. Step 4: Simplify right side
    88,079.12x = 6,352,100,783.43
  5. Step 5: Solve for x
    x = 6,352,100,783.43/88,079.12
  6. Step 6: Final answer
    x = 72,118.12

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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.