Home / 90,507.30-124,894.06-50,218.50

Finding the Fourth Proportional to 90,507.30, 124,894.06 and 50,218.50

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Solution

The fourth proportional to 90,507.30, 124,894.06 and 50,218.50 is: 69,298.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,507.30 : 124,894.06 = 50,218.50 : x
  2. Step 2: Convert to fraction form
    90,507.30/124,894.06 = 50,218.50/x
  3. Step 3: Cross multiply
    90,507.30x = 124,894.06 × 50,218.50
  4. Step 4: Simplify right side
    90,507.30x = 6,271,992,352.11
  5. Step 5: Solve for x
    x = 6,271,992,352.11/90,507.30
  6. Step 6: Final answer
    x = 69,298.19

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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.