Home / 48,245.84-72,697.40-39,672.80

Finding the Fourth Proportional to 48,245.84, 72,697.40 and 39,672.80

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Solution

The fourth proportional to 48,245.84, 72,697.40 and 39,672.80 is: 59,779.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,245.84 : 72,697.40 = 39,672.80 : x
  2. Step 2: Convert to fraction form
    48,245.84/72,697.40 = 39,672.80/x
  3. Step 3: Cross multiply
    48,245.84x = 72,697.40 × 39,672.80
  4. Step 4: Simplify right side
    48,245.84x = 2,884,109,410.72
  5. Step 5: Solve for x
    x = 2,884,109,410.72/48,245.84
  6. Step 6: Final answer
    x = 59,779.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.