Home / 71,021.49-98,045.15-44,172.66

Finding the Fourth Proportional to 71,021.49, 98,045.15 and 44,172.66

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Solution

The fourth proportional to 71,021.49, 98,045.15 and 44,172.66 is: 60,980.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,021.49 : 98,045.15 = 44,172.66 : x
  2. Step 2: Convert to fraction form
    71,021.49/98,045.15 = 44,172.66/x
  3. Step 3: Cross multiply
    71,021.49x = 98,045.15 × 44,172.66
  4. Step 4: Simplify right side
    71,021.49x = 4,330,914,854.74
  5. Step 5: Solve for x
    x = 4,330,914,854.74/71,021.49
  6. Step 6: Final answer
    x = 60,980.34

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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.