Home / 93,179.16-128,588.40-50,737.68

Finding the Fourth Proportional to 93,179.16, 128,588.40 and 50,737.68

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Solution

The fourth proportional to 93,179.16, 128,588.40 and 50,737.68 is: 70,018.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,179.16 : 128,588.40 = 50,737.68 : x
  2. Step 2: Convert to fraction form
    93,179.16/128,588.40 = 50,737.68/x
  3. Step 3: Cross multiply
    93,179.16x = 128,588.40 × 50,737.68
  4. Step 4: Simplify right side
    93,179.16x = 6,524,277,090.91
  5. Step 5: Solve for x
    x = 6,524,277,090.91/93,179.16
  6. Step 6: Final answer
    x = 70,018.63

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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.