Home / 103,327.79-142,592.29-58,005.86

Finding the Fourth Proportional to 103,327.79, 142,592.29 and 58,005.86

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Solution

The fourth proportional to 103,327.79, 142,592.29 and 58,005.86 is: 80,048.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,327.79 : 142,592.29 = 58,005.86 : x
  2. Step 2: Convert to fraction form
    103,327.79/142,592.29 = 58,005.86/x
  3. Step 3: Cross multiply
    103,327.79x = 142,592.29 × 58,005.86
  4. Step 4: Simplify right side
    103,327.79x = 8,271,187,407.83
  5. Step 5: Solve for x
    x = 8,271,187,407.83/103,327.79
  6. Step 6: Final answer
    x = 80,048.05

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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.