Home / 100,732.02-139,003.34-58,296.93

Finding the Fourth Proportional to 100,732.02, 139,003.34 and 58,296.93

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Solution

The fourth proportional to 100,732.02, 139,003.34 and 58,296.93 is: 80,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,732.02 : 139,003.34 = 58,296.93 : x
  2. Step 2: Convert to fraction form
    100,732.02/139,003.34 = 58,296.93/x
  3. Step 3: Cross multiply
    100,732.02x = 139,003.34 × 58,296.93
  4. Step 4: Simplify right side
    100,732.02x = 8,103,467,690.26
  5. Step 5: Solve for x
    x = 8,103,467,690.26/100,732.02
  6. Step 6: Final answer
    x = 80,445.80

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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.