Home / 90,579.90-125,000.51-50,293.74

Finding the Fourth Proportional to 90,579.90, 125,000.51 and 50,293.74

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Solution

The fourth proportional to 90,579.90, 125,000.51 and 50,293.74 is: 69,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,579.90 : 125,000.51 = 50,293.74 : x
  2. Step 2: Convert to fraction form
    90,579.90/125,000.51 = 50,293.74/x
  3. Step 3: Cross multiply
    90,579.90x = 125,000.51 × 50,293.74
  4. Step 4: Simplify right side
    90,579.90x = 6,286,742,898.34
  5. Step 5: Solve for x
    x = 6,286,742,898.34/90,579.90
  6. Step 6: Final answer
    x = 69,405.50

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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.