Home / 103,624.80-143,000.66-58,302.84

Finding the Fourth Proportional to 103,624.80, 143,000.66 and 58,302.84

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Solution

The fourth proportional to 103,624.80, 143,000.66 and 58,302.84 is: 80,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,624.80 : 143,000.66 = 58,302.84 : x
  2. Step 2: Convert to fraction form
    103,624.80/143,000.66 = 58,302.84/x
  3. Step 3: Cross multiply
    103,624.80x = 143,000.66 × 58,302.84
  4. Step 4: Simplify right side
    103,624.80x = 8,337,344,599.87
  5. Step 5: Solve for x
    x = 8,337,344,599.87/103,624.80
  6. Step 6: Final answer
    x = 80,457.04

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1.5x scale

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.