Home / 71,541.48-98,725.18-39,276.04

Finding the Fourth Proportional to 71,541.48, 98,725.18 and 39,276.04

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Solution

The fourth proportional to 71,541.48, 98,725.18 and 39,276.04 is: 54,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,541.48 : 98,725.18 = 39,276.04 : x
  2. Step 2: Convert to fraction form
    71,541.48/98,725.18 = 39,276.04/x
  3. Step 3: Cross multiply
    71,541.48x = 98,725.18 × 39,276.04
  4. Step 4: Simplify right side
    71,541.48x = 3,877,534,118.69
  5. Step 5: Solve for x
    x = 3,877,534,118.69/71,541.48
  6. Step 6: Final answer
    x = 54,199.80

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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.