Home / 90,495.04-124,883.16-50,209.24

Finding the Fourth Proportional to 90,495.04, 124,883.16 and 50,209.24

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Solution

The fourth proportional to 90,495.04, 124,883.16 and 50,209.24 is: 69,288.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,495.04 : 124,883.16 = 50,209.24 : x
  2. Step 2: Convert to fraction form
    90,495.04/124,883.16 = 50,209.24/x
  3. Step 3: Cross multiply
    90,495.04x = 124,883.16 × 50,209.24
  4. Step 4: Simplify right side
    90,495.04x = 6,270,288,552.40
  5. Step 5: Solve for x
    x = 6,270,288,552.40/90,495.04
  6. Step 6: Final answer
    x = 69,288.75

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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.