Home / 103,798.02-143,211.64-58,460.14

Finding the Fourth Proportional to 103,798.02, 143,211.64 and 58,460.14

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Solution

The fourth proportional to 103,798.02, 143,211.64 and 58,460.14 is: 80,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,798.02 : 143,211.64 = 58,460.14 : x
  2. Step 2: Convert to fraction form
    103,798.02/143,211.64 = 58,460.14/x
  3. Step 3: Cross multiply
    103,798.02x = 143,211.64 × 58,460.14
  4. Step 4: Simplify right side
    103,798.02x = 8,372,172,524.03
  5. Step 5: Solve for x
    x = 8,372,172,524.03/103,798.02
  6. Step 6: Final answer
    x = 80,658.31

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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.