Home / 71,220.88-98,297.14-42,926.60

Finding the Fourth Proportional to 71,220.88, 98,297.14 and 42,926.60

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Solution

The fourth proportional to 71,220.88, 98,297.14 and 42,926.60 is: 59,246.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,220.88 : 98,297.14 = 42,926.60 : x
  2. Step 2: Convert to fraction form
    71,220.88/98,297.14 = 42,926.60/x
  3. Step 3: Cross multiply
    71,220.88x = 98,297.14 × 42,926.60
  4. Step 4: Simplify right side
    71,220.88x = 4,219,562,009.92
  5. Step 5: Solve for x
    x = 4,219,562,009.92/71,220.88
  6. Step 6: Final answer
    x = 59,246.14

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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.