Home / 71,921.35-99,293.99-63,941.49

Finding the Fourth Proportional to 71,921.35, 99,293.99 and 63,941.49

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Solution

The fourth proportional to 71,921.35, 99,293.99 and 63,941.49 is: 88,277.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,921.35 : 99,293.99 = 63,941.49 : x
  2. Step 2: Convert to fraction form
    71,921.35/99,293.99 = 63,941.49/x
  3. Step 3: Cross multiply
    71,921.35x = 99,293.99 × 63,941.49
  4. Step 4: Simplify right side
    71,921.35x = 6,349,005,348.94
  5. Step 5: Solve for x
    x = 6,349,005,348.94/71,921.35
  6. Step 6: Final answer
    x = 88,277.06

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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.