Home / 48,128.10-72,193.80-14,847.90

Finding the Fourth Proportional to 48,128.10, 72,193.80 and 14,847.90

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Solution

The fourth proportional to 48,128.10, 72,193.80 and 14,847.90 is: 22,272.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,128.10 : 72,193.80 = 14,847.90 : x
  2. Step 2: Convert to fraction form
    48,128.10/72,193.80 = 14,847.90/x
  3. Step 3: Cross multiply
    48,128.10x = 72,193.80 × 14,847.90
  4. Step 4: Simplify right side
    48,128.10x = 1,071,926,323.02
  5. Step 5: Solve for x
    x = 1,071,926,323.02/48,128.10
  6. Step 6: Final answer
    x = 22,272.36

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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.