Home / 65,317.23-90,137.36-35,509.23

Finding the Fourth Proportional to 65,317.23, 90,137.36 and 35,509.23

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Solution

The fourth proportional to 65,317.23, 90,137.36 and 35,509.23 is: 49,002.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,317.23 : 90,137.36 = 35,509.23 : x
  2. Step 2: Convert to fraction form
    65,317.23/90,137.36 = 35,509.23/x
  3. Step 3: Cross multiply
    65,317.23x = 90,137.36 × 35,509.23
  4. Step 4: Simplify right side
    65,317.23x = 3,200,708,070.29
  5. Step 5: Solve for x
    x = 3,200,708,070.29/65,317.23
  6. Step 6: Final answer
    x = 49,002.51

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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.