Home / 109,117.43-150,580.57-61,370.76

Finding the Fourth Proportional to 109,117.43, 150,580.57 and 61,370.76

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Solution

The fourth proportional to 109,117.43, 150,580.57 and 61,370.76 is: 84,690.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,117.43 : 150,580.57 = 61,370.76 : x
  2. Step 2: Convert to fraction form
    109,117.43/150,580.57 = 61,370.76/x
  3. Step 3: Cross multiply
    109,117.43x = 150,580.57 × 61,370.76
  4. Step 4: Simplify right side
    109,117.43x = 9,241,244,548.45
  5. Step 5: Solve for x
    x = 9,241,244,548.45/109,117.43
  6. Step 6: Final answer
    x = 84,690.82

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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.