Home / 105,052.61-157,580.28-34,931.92

Finding the Fourth Proportional to 105,052.61, 157,580.28 and 34,931.92

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Solution

The fourth proportional to 105,052.61, 157,580.28 and 34,931.92 is: 52,398.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,052.61 : 157,580.28 = 34,931.92 : x
  2. Step 2: Convert to fraction form
    105,052.61/157,580.28 = 34,931.92/x
  3. Step 3: Cross multiply
    105,052.61x = 157,580.28 × 34,931.92
  4. Step 4: Simplify right side
    105,052.61x = 5,504,581,734.54
  5. Step 5: Solve for x
    x = 5,504,581,734.54/105,052.61
  6. Step 6: Final answer
    x = 52,398.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.