Home / 90,501.92-124,890.73-50,214.81

Finding the Fourth Proportional to 90,501.92, 124,890.73 and 50,214.81

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Solution

The fourth proportional to 90,501.92, 124,890.73 and 50,214.81 is: 69,295.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,501.92 : 124,890.73 = 50,214.81 : x
  2. Step 2: Convert to fraction form
    90,501.92/124,890.73 = 50,214.81/x
  3. Step 3: Cross multiply
    90,501.92x = 124,890.73 × 50,214.81
  4. Step 4: Simplify right side
    90,501.92x = 6,271,364,277.71
  5. Step 5: Solve for x
    x = 6,271,364,277.71/90,501.92
  6. Step 6: Final answer
    x = 69,295.37

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1.5x scale

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.