Home / 103,536.56-142,879.08-57,595.74

Finding the Fourth Proportional to 103,536.56, 142,879.08 and 57,595.74

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Solution

The fourth proportional to 103,536.56, 142,879.08 and 57,595.74 is: 79,481.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,536.56 : 142,879.08 = 57,595.74 : x
  2. Step 2: Convert to fraction form
    103,536.56/142,879.08 = 57,595.74/x
  3. Step 3: Cross multiply
    103,536.56x = 142,879.08 × 57,595.74
  4. Step 4: Simplify right side
    103,536.56x = 8,229,226,343.12
  5. Step 5: Solve for x
    x = 8,229,226,343.12/103,536.56
  6. Step 6: Final answer
    x = 79,481.36

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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.