Home / 70,273.48-105,293.58-57,132.04

Finding the Fourth Proportional to 70,273.48, 105,293.58 and 57,132.04

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Solution

The fourth proportional to 70,273.48, 105,293.58 and 57,132.04 is: 85,603.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,273.48 : 105,293.58 = 57,132.04 : x
  2. Step 2: Convert to fraction form
    70,273.48/105,293.58 = 57,132.04/x
  3. Step 3: Cross multiply
    70,273.48x = 105,293.58 × 57,132.04
  4. Step 4: Simplify right side
    70,273.48x = 6,015,637,024.30
  5. Step 5: Solve for x
    x = 6,015,637,024.30/70,273.48
  6. Step 6: Final answer
    x = 85,603.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.