Home / 103,581.70-155,457.60-53,677.06

Finding the Fourth Proportional to 103,581.70, 155,457.60 and 53,677.06

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Solution

The fourth proportional to 103,581.70, 155,457.60 and 53,677.06 is: 80,559.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,581.70 : 155,457.60 = 53,677.06 : x
  2. Step 2: Convert to fraction form
    103,581.70/155,457.60 = 53,677.06/x
  3. Step 3: Cross multiply
    103,581.70x = 155,457.60 × 53,677.06
  4. Step 4: Simplify right side
    103,581.70x = 8,344,506,922.66
  5. Step 5: Solve for x
    x = 8,344,506,922.66/103,581.70
  6. Step 6: Final answer
    x = 80,559.66

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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.