Home / 90,004.68-124,214.04-52,276.50

Finding the Fourth Proportional to 90,004.68, 124,214.04 and 52,276.50

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Solution

The fourth proportional to 90,004.68, 124,214.04 and 52,276.50 is: 72,145.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,004.68 : 124,214.04 = 52,276.50 : x
  2. Step 2: Convert to fraction form
    90,004.68/124,214.04 = 52,276.50/x
  3. Step 3: Cross multiply
    90,004.68x = 124,214.04 × 52,276.50
  4. Step 4: Simplify right side
    90,004.68x = 6,493,475,262.06
  5. Step 5: Solve for x
    x = 6,493,475,262.06/90,004.68
  6. Step 6: Final answer
    x = 72,145.97

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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.