Home / 103,109.52-142,291.08-58,397.52

Finding the Fourth Proportional to 103,109.52, 142,291.08 and 58,397.52

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Solution

The fourth proportional to 103,109.52, 142,291.08 and 58,397.52 is: 80,588.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,109.52 : 142,291.08 = 58,397.52 : x
  2. Step 2: Convert to fraction form
    103,109.52/142,291.08 = 58,397.52/x
  3. Step 3: Cross multiply
    103,109.52x = 142,291.08 × 58,397.52
  4. Step 4: Simplify right side
    103,109.52x = 8,309,446,190.12
  5. Step 5: Solve for x
    x = 8,309,446,190.12/103,109.52
  6. Step 6: Final answer
    x = 80,588.54

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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.