Home / 88,720.10-122,567.28-58,165.79

Finding the Fourth Proportional to 88,720.10, 122,567.28 and 58,165.79

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Solution

The fourth proportional to 88,720.10, 122,567.28 and 58,165.79 is: 80,356.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,720.10 : 122,567.28 = 58,165.79 : x
  2. Step 2: Convert to fraction form
    88,720.10/122,567.28 = 58,165.79/x
  3. Step 3: Cross multiply
    88,720.10x = 122,567.28 × 58,165.79
  4. Step 4: Simplify right side
    88,720.10x = 7,129,222,669.35
  5. Step 5: Solve for x
    x = 7,129,222,669.35/88,720.10
  6. Step 6: Final answer
    x = 80,356.34

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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.