Home / 103,417.02-142,699.93-58,086.31

Finding the Fourth Proportional to 103,417.02, 142,699.93 and 58,086.31

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Solution

The fourth proportional to 103,417.02, 142,699.93 and 58,086.31 is: 80,150.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,417.02 : 142,699.93 = 58,086.31 : x
  2. Step 2: Convert to fraction form
    103,417.02/142,699.93 = 58,086.31/x
  3. Step 3: Cross multiply
    103,417.02x = 142,699.93 × 58,086.31
  4. Step 4: Simplify right side
    103,417.02x = 8,288,912,370.96
  5. Step 5: Solve for x
    x = 8,288,912,370.96/103,417.02
  6. Step 6: Final answer
    x = 80,150.37

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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.