Home / 93,616.32-129,189.69-51,174.48

Finding the Fourth Proportional to 93,616.32, 129,189.69 and 51,174.48

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Solution

The fourth proportional to 93,616.32, 129,189.69 and 51,174.48 is: 70,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,616.32 : 129,189.69 = 51,174.48 : x
  2. Step 2: Convert to fraction form
    93,616.32/129,189.69 = 51,174.48/x
  3. Step 3: Cross multiply
    93,616.32x = 129,189.69 × 51,174.48
  4. Step 4: Simplify right side
    93,616.32x = 6,611,215,207.11
  5. Step 5: Solve for x
    x = 6,611,215,207.11/93,616.32
  6. Step 6: Final answer
    x = 70,620.33

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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.