Home / 103,624.50-143,007.04-61,182.12

Finding the Fourth Proportional to 103,624.50, 143,007.04 and 61,182.12

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Solution

The fourth proportional to 103,624.50, 143,007.04 and 61,182.12 is: 84,434.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,624.50 : 143,007.04 = 61,182.12 : x
  2. Step 2: Convert to fraction form
    103,624.50/143,007.04 = 61,182.12/x
  3. Step 3: Cross multiply
    103,624.50x = 143,007.04 × 61,182.12
  4. Step 4: Simplify right side
    103,624.50x = 8,749,473,882.12
  5. Step 5: Solve for x
    x = 8,749,473,882.12/103,624.50
  6. Step 6: Final answer
    x = 84,434.41

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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.