Home / 71,267.14-98,350.69-39,439.00

Finding the Fourth Proportional to 71,267.14, 98,350.69 and 39,439.00

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Solution

The fourth proportional to 71,267.14, 98,350.69 and 39,439.00 is: 54,426.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,267.14 : 98,350.69 = 39,439.00 : x
  2. Step 2: Convert to fraction form
    71,267.14/98,350.69 = 39,439.00/x
  3. Step 3: Cross multiply
    71,267.14x = 98,350.69 × 39,439.00
  4. Step 4: Simplify right side
    71,267.14x = 3,878,852,272.56
  5. Step 5: Solve for x
    x = 3,878,852,272.56/71,267.14
  6. Step 6: Final answer
    x = 54,426.94

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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.