Home / 71,038.89-98,033.85-38,773.80

Finding the Fourth Proportional to 71,038.89, 98,033.85 and 38,773.80

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Solution

The fourth proportional to 71,038.89, 98,033.85 and 38,773.80 is: 53,507.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,038.89 : 98,033.85 = 38,773.80 : x
  2. Step 2: Convert to fraction form
    71,038.89/98,033.85 = 38,773.80/x
  3. Step 3: Cross multiply
    71,038.89x = 98,033.85 × 38,773.80
  4. Step 4: Simplify right side
    71,038.89x = 3,801,144,893.13
  5. Step 5: Solve for x
    x = 3,801,144,893.13/71,038.89
  6. Step 6: Final answer
    x = 53,507.94

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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.