Home / 93,153.66-128,553.21-50,712.18

Finding the Fourth Proportional to 93,153.66, 128,553.21 and 50,712.18

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Solution

The fourth proportional to 93,153.66, 128,553.21 and 50,712.18 is: 69,983.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,153.66 : 128,553.21 = 50,712.18 : x
  2. Step 2: Convert to fraction form
    93,153.66/128,553.21 = 50,712.18/x
  3. Step 3: Cross multiply
    93,153.66x = 128,553.21 × 50,712.18
  4. Step 4: Simplify right side
    93,153.66x = 6,519,213,525.10
  5. Step 5: Solve for x
    x = 6,519,213,525.10/93,153.66
  6. Step 6: Final answer
    x = 69,983.44

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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.