Home / 71,209.23-98,271.14-39,376.23

Finding the Fourth Proportional to 71,209.23, 98,271.14 and 39,376.23

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Solution

The fourth proportional to 71,209.23, 98,271.14 and 39,376.23 is: 54,340.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,209.23 : 98,271.14 = 39,376.23 : x
  2. Step 2: Convert to fraction form
    71,209.23/98,271.14 = 39,376.23/x
  3. Step 3: Cross multiply
    71,209.23x = 98,271.14 × 39,376.23
  4. Step 4: Simplify right side
    71,209.23x = 3,869,546,814.12
  5. Step 5: Solve for x
    x = 3,869,546,814.12/71,209.23
  6. Step 6: Final answer
    x = 54,340.52

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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.