Home / 71,006.01-97,988.82-39,176.05

Finding the Fourth Proportional to 71,006.01, 97,988.82 and 39,176.05

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Solution

The fourth proportional to 71,006.01, 97,988.82 and 39,176.05 is: 54,063.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,006.01 : 97,988.82 = 39,176.05 : x
  2. Step 2: Convert to fraction form
    71,006.01/97,988.82 = 39,176.05/x
  3. Step 3: Cross multiply
    71,006.01x = 97,988.82 × 39,176.05
  4. Step 4: Simplify right side
    71,006.01x = 3,838,814,715.88
  5. Step 5: Solve for x
    x = 3,838,814,715.88/71,006.01
  6. Step 6: Final answer
    x = 54,063.24

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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.