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Finding the Fourth Proportional to 88,107, 121,532.34 and 52,271.64

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Solution

The fourth proportional to 88,107, 121,532.34 and 52,271.64 is: 72,102.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,107 : 121,532.34 = 52,271.64 : x
  2. Step 2: Convert to fraction form
    88,107/121,532.34 = 52,271.64/x
  3. Step 3: Cross multiply
    88,107x = 121,532.34 × 52,271.64
  4. Step 4: Simplify right side
    88,107x = 6,352,694,724.84
  5. Step 5: Solve for x
    x = 6,352,694,724.84/88,107
  6. Step 6: Final answer
    x = 72,102.04

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1.5x scale

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.