Home / 65,432.04-98,021.34-39,157.48

Finding the Fourth Proportional to 65,432.04, 98,021.34 and 39,157.48

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Solution

The fourth proportional to 65,432.04, 98,021.34 and 39,157.48 is: 58,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,432.04 : 98,021.34 = 39,157.48 : x
  2. Step 2: Convert to fraction form
    65,432.04/98,021.34 = 39,157.48/x
  3. Step 3: Cross multiply
    65,432.04x = 98,021.34 × 39,157.48
  4. Step 4: Simplify right side
    65,432.04x = 3,838,268,660.62
  5. Step 5: Solve for x
    x = 3,838,268,660.62/65,432.04
  6. Step 6: Final answer
    x = 58,660.39

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1.5x scale

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.