Home / 67,685.02-101,416.56-47,928.12

Finding the Fourth Proportional to 67,685.02, 101,416.56 and 47,928.12

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Solution

The fourth proportional to 67,685.02, 101,416.56 and 47,928.12 is: 71,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,685.02 : 101,416.56 = 47,928.12 : x
  2. Step 2: Convert to fraction form
    67,685.02/101,416.56 = 47,928.12/x
  3. Step 3: Cross multiply
    67,685.02x = 101,416.56 × 47,928.12
  4. Step 4: Simplify right side
    67,685.02x = 4,860,705,057.67
  5. Step 5: Solve for x
    x = 4,860,705,057.67/67,685.02
  6. Step 6: Final answer
    x = 71,813.60

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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.