Home / 88,331.84-121,855.01-52,496.49

Finding the Fourth Proportional to 88,331.84, 121,855.01 and 52,496.49

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Solution

The fourth proportional to 88,331.84, 121,855.01 and 52,496.49 is: 72,419.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,331.84 : 121,855.01 = 52,496.49 : x
  2. Step 2: Convert to fraction form
    88,331.84/121,855.01 = 52,496.49/x
  3. Step 3: Cross multiply
    88,331.84x = 121,855.01 × 52,496.49
  4. Step 4: Simplify right side
    88,331.84x = 6,396,960,313.91
  5. Step 5: Solve for x
    x = 6,396,960,313.91/88,331.84
  6. Step 6: Final answer
    x = 72,419.64

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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.