Home / 93,155.22-128,549.58-52,872.66

Finding the Fourth Proportional to 93,155.22, 128,549.58 and 52,872.66

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Solution

The fourth proportional to 93,155.22, 128,549.58 and 52,872.66 is: 72,961.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,155.22 : 128,549.58 = 52,872.66 : x
  2. Step 2: Convert to fraction form
    93,155.22/128,549.58 = 52,872.66/x
  3. Step 3: Cross multiply
    93,155.22x = 128,549.58 × 52,872.66
  4. Step 4: Simplify right side
    93,155.22x = 6,796,758,236.48
  5. Step 5: Solve for x
    x = 6,796,758,236.48/93,155.22
  6. Step 6: Final answer
    x = 72,961.65

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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.