Home / 93,162.96-128,565.18-50,721.75

Finding the Fourth Proportional to 93,162.96, 128,565.18 and 50,721.75

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Solution

The fourth proportional to 93,162.96, 128,565.18 and 50,721.75 is: 69,996.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,162.96 : 128,565.18 = 50,721.75 : x
  2. Step 2: Convert to fraction form
    93,162.96/128,565.18 = 50,721.75/x
  3. Step 3: Cross multiply
    93,162.96x = 128,565.18 × 50,721.75
  4. Step 4: Simplify right side
    93,162.96x = 6,521,050,918.67
  5. Step 5: Solve for x
    x = 6,521,050,918.67/93,162.96
  6. Step 6: Final answer
    x = 69,996.18

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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.