Home / 90,636.10-125,097.83-50,363.71

Finding the Fourth Proportional to 90,636.10, 125,097.83 and 50,363.71

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Solution

The fourth proportional to 90,636.10, 125,097.83 and 50,363.71 is: 69,513.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,636.10 : 125,097.83 = 50,363.71 : x
  2. Step 2: Convert to fraction form
    90,636.10/125,097.83 = 50,363.71/x
  3. Step 3: Cross multiply
    90,636.10x = 125,097.83 × 50,363.71
  4. Step 4: Simplify right side
    90,636.10x = 6,300,390,831.75
  5. Step 5: Solve for x
    x = 6,300,390,831.75/90,636.10
  6. Step 6: Final answer
    x = 69,513.04

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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.