Home / 90,592.13-125,012.94-50,308.46

Finding the Fourth Proportional to 90,592.13, 125,012.94 and 50,308.46

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Solution

The fourth proportional to 90,592.13, 125,012.94 and 50,308.46 is: 69,423.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,592.13 : 125,012.94 = 50,308.46 : x
  2. Step 2: Convert to fraction form
    90,592.13/125,012.94 = 50,308.46/x
  3. Step 3: Cross multiply
    90,592.13x = 125,012.94 × 50,308.46
  4. Step 4: Simplify right side
    90,592.13x = 6,289,208,491.47
  5. Step 5: Solve for x
    x = 6,289,208,491.47/90,592.13
  6. Step 6: Final answer
    x = 69,423.35

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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.