Home / 65,530.15-98,128.44-43,310.23

Finding the Fourth Proportional to 65,530.15, 98,128.44 and 43,310.23

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Solution

The fourth proportional to 65,530.15, 98,128.44 and 43,310.23 is: 64,855.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,530.15 : 98,128.44 = 43,310.23 : x
  2. Step 2: Convert to fraction form
    65,530.15/98,128.44 = 43,310.23/x
  3. Step 3: Cross multiply
    65,530.15x = 98,128.44 × 43,310.23
  4. Step 4: Simplify right side
    65,530.15x = 4,249,965,305.94
  5. Step 5: Solve for x
    x = 4,249,965,305.94/65,530.15
  6. Step 6: Final answer
    x = 64,855.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.