Home / 48,168.72-72,252.86-13,108.28

Finding the Fourth Proportional to 48,168.72, 72,252.86 and 13,108.28

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Solution

The fourth proportional to 48,168.72, 72,252.86 and 13,108.28 is: 19,662.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,168.72 : 72,252.86 = 13,108.28 : x
  2. Step 2: Convert to fraction form
    48,168.72/72,252.86 = 13,108.28/x
  3. Step 3: Cross multiply
    48,168.72x = 72,252.86 × 13,108.28
  4. Step 4: Simplify right side
    48,168.72x = 947,110,292.88
  5. Step 5: Solve for x
    x = 947,110,292.88/48,168.72
  6. Step 6: Final answer
    x = 19,662.35

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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.