Home / 93,446.68-128,956.34-51,005.20

Finding the Fourth Proportional to 93,446.68, 128,956.34 and 51,005.20

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Solution

The fourth proportional to 93,446.68, 128,956.34 and 51,005.20 is: 70,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,446.68 : 128,956.34 = 51,005.20 : x
  2. Step 2: Convert to fraction form
    93,446.68/128,956.34 = 51,005.20/x
  3. Step 3: Cross multiply
    93,446.68x = 128,956.34 × 51,005.20
  4. Step 4: Simplify right side
    93,446.68x = 6,577,443,912.97
  5. Step 5: Solve for x
    x = 6,577,443,912.97/93,446.68
  6. Step 6: Final answer
    x = 70,387.13

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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.