Home / 90,435.03-124,806.74-50,152.65

Finding the Fourth Proportional to 90,435.03, 124,806.74 and 50,152.65

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Solution

The fourth proportional to 90,435.03, 124,806.74 and 50,152.65 is: 69,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,435.03 : 124,806.74 = 50,152.65 : x
  2. Step 2: Convert to fraction form
    90,435.03/124,806.74 = 50,152.65/x
  3. Step 3: Cross multiply
    90,435.03x = 124,806.74 × 50,152.65
  4. Step 4: Simplify right side
    90,435.03x = 6,259,388,498.10
  5. Step 5: Solve for x
    x = 6,259,388,498.10/90,435.03
  6. Step 6: Final answer
    x = 69,214.20

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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.