Home / 93,161.48-128,565.16-50,722.34

Finding the Fourth Proportional to 93,161.48, 128,565.16 and 50,722.34

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Solution

The fourth proportional to 93,161.48, 128,565.16 and 50,722.34 is: 69,998.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,161.48 : 128,565.16 = 50,722.34 : x
  2. Step 2: Convert to fraction form
    93,161.48/128,565.16 = 50,722.34/x
  3. Step 3: Cross multiply
    93,161.48x = 128,565.16 × 50,722.34
  4. Step 4: Simplify right side
    93,161.48x = 6,521,125,757.67
  5. Step 5: Solve for x
    x = 6,521,125,757.67/93,161.48
  6. Step 6: Final answer
    x = 69,998.09

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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.