Home / 89,977.23-124,165.19-49,140

Finding the Fourth Proportional to 89,977.23, 124,165.19 and 49,140

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Solution

The fourth proportional to 89,977.23, 124,165.19 and 49,140 is: 67,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,977.23 : 124,165.19 = 49,140 : x
  2. Step 2: Convert to fraction form
    89,977.23/124,165.19 = 49,140/x
  3. Step 3: Cross multiply
    89,977.23x = 124,165.19 × 49,140
  4. Step 4: Simplify right side
    89,977.23x = 6,101,477,559.45
  5. Step 5: Solve for x
    x = 6,101,477,559.45/89,977.23
  6. Step 6: Final answer
    x = 67,811.35

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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.