Home / 103,637.26-143,022.22-58,316.86

Finding the Fourth Proportional to 103,637.26, 143,022.22 and 58,316.86

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Solution

The fourth proportional to 103,637.26, 143,022.22 and 58,316.86 is: 80,478.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,637.26 : 143,022.22 = 58,316.86 : x
  2. Step 2: Convert to fraction form
    103,637.26/143,022.22 = 58,316.86/x
  3. Step 3: Cross multiply
    103,637.26x = 143,022.22 × 58,316.86
  4. Step 4: Simplify right side
    103,637.26x = 8,340,606,780.63
  5. Step 5: Solve for x
    x = 8,340,606,780.63/103,637.26
  6. Step 6: Final answer
    x = 80,478.84

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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.