Home / 71,029.40-98,057.43-51,887.69

Finding the Fourth Proportional to 71,029.40, 98,057.43 and 51,887.69

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Solution

The fourth proportional to 71,029.40, 98,057.43 and 51,887.69 is: 71,631.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,029.40 : 98,057.43 = 51,887.69 : x
  2. Step 2: Convert to fraction form
    71,029.40/98,057.43 = 51,887.69/x
  3. Step 3: Cross multiply
    71,029.40x = 98,057.43 × 51,887.69
  4. Step 4: Simplify right side
    71,029.40x = 5,087,973,530.04
  5. Step 5: Solve for x
    x = 5,087,973,530.04/71,029.40
  6. Step 6: Final answer
    x = 71,631.94

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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.