Home / 93,229.38-128,656.35-50,787.81

Finding the Fourth Proportional to 93,229.38, 128,656.35 and 50,787.81

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Solution

The fourth proportional to 93,229.38, 128,656.35 and 50,787.81 is: 70,087.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,229.38 : 128,656.35 = 50,787.81 : x
  2. Step 2: Convert to fraction form
    93,229.38/128,656.35 = 50,787.81/x
  3. Step 3: Cross multiply
    93,229.38x = 128,656.35 × 50,787.81
  4. Step 4: Simplify right side
    93,229.38x = 6,534,174,259.09
  5. Step 5: Solve for x
    x = 6,534,174,259.09/93,229.38
  6. Step 6: Final answer
    x = 70,087.07

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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.