Home / 65,302.16-90,155.30-50,165.08

Finding the Fourth Proportional to 65,302.16, 90,155.30 and 50,165.08

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Solution

The fourth proportional to 65,302.16, 90,155.30 and 50,165.08 is: 69,257.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,302.16 : 90,155.30 = 50,165.08 : x
  2. Step 2: Convert to fraction form
    65,302.16/90,155.30 = 50,165.08/x
  3. Step 3: Cross multiply
    65,302.16x = 90,155.30 × 50,165.08
  4. Step 4: Simplify right side
    65,302.16x = 4,522,647,360.71
  5. Step 5: Solve for x
    x = 4,522,647,360.71/65,302.16
  6. Step 6: Final answer
    x = 69,257.25

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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.