Home / 105,931.65-146,186.73-57,534.52

Finding the Fourth Proportional to 105,931.65, 146,186.73 and 57,534.52

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Solution

The fourth proportional to 105,931.65, 146,186.73 and 57,534.52 is: 79,398.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,931.65 : 146,186.73 = 57,534.52 : x
  2. Step 2: Convert to fraction form
    105,931.65/146,186.73 = 57,534.52/x
  3. Step 3: Cross multiply
    105,931.65x = 146,186.73 × 57,534.52
  4. Step 4: Simplify right side
    105,931.65x = 8,410,783,340.92
  5. Step 5: Solve for x
    x = 8,410,783,340.92/105,931.65
  6. Step 6: Final answer
    x = 79,398.21

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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.