Home / 93,288.12-128,737.64-50,846.96

Finding the Fourth Proportional to 93,288.12, 128,737.64 and 50,846.96

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Solution

The fourth proportional to 93,288.12, 128,737.64 and 50,846.96 is: 70,168.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,288.12 : 128,737.64 = 50,846.96 : x
  2. Step 2: Convert to fraction form
    93,288.12/128,737.64 = 50,846.96/x
  3. Step 3: Cross multiply
    93,288.12x = 128,737.64 × 50,846.96
  4. Step 4: Simplify right side
    93,288.12x = 6,545,917,631.57
  5. Step 5: Solve for x
    x = 6,545,917,631.57/93,288.12
  6. Step 6: Final answer
    x = 70,168.82

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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.