Home / 93,518.46-140,028.48-81,561.06

Finding the Fourth Proportional to 93,518.46, 140,028.48 and 81,561.06

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Solution

The fourth proportional to 93,518.46, 140,028.48 and 81,561.06 is: 122,124.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,518.46 : 140,028.48 = 81,561.06 : x
  2. Step 2: Convert to fraction form
    93,518.46/140,028.48 = 81,561.06/x
  3. Step 3: Cross multiply
    93,518.46x = 140,028.48 × 81,561.06
  4. Step 4: Simplify right side
    93,518.46x = 11,420,871,258.99
  5. Step 5: Solve for x
    x = 11,420,871,258.99/93,518.46
  6. Step 6: Final answer
    x = 122,124.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.