Home / 90,502.92-124,888.03-50,214.13

Finding the Fourth Proportional to 90,502.92, 124,888.03 and 50,214.13

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Solution

The fourth proportional to 90,502.92, 124,888.03 and 50,214.13 is: 69,292.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,502.92 : 124,888.03 = 50,214.13 : x
  2. Step 2: Convert to fraction form
    90,502.92/124,888.03 = 50,214.13/x
  3. Step 3: Cross multiply
    90,502.92x = 124,888.03 × 50,214.13
  4. Step 4: Simplify right side
    90,502.92x = 6,271,143,336.11
  5. Step 5: Solve for x
    x = 6,271,143,336.11/90,502.92
  6. Step 6: Final answer
    x = 69,292.17

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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.