Home / 103,633.26-143,016.70-58,312.86

Finding the Fourth Proportional to 103,633.26, 143,016.70 and 58,312.86

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Solution

The fourth proportional to 103,633.26, 143,016.70 and 58,312.86 is: 80,473.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,633.26 : 143,016.70 = 58,312.86 : x
  2. Step 2: Convert to fraction form
    103,633.26/143,016.70 = 58,312.86/x
  3. Step 3: Cross multiply
    103,633.26x = 143,016.70 × 58,312.86
  4. Step 4: Simplify right side
    103,633.26x = 8,339,712,804.76
  5. Step 5: Solve for x
    x = 8,339,712,804.76/103,633.26
  6. Step 6: Final answer
    x = 80,473.32

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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.