Home / 48,289.75-72,433.51-12,753.57

Finding the Fourth Proportional to 48,289.75, 72,433.51 and 12,753.57

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Solution

The fourth proportional to 48,289.75, 72,433.51 and 12,753.57 is: 19,130.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,289.75 : 72,433.51 = 12,753.57 : x
  2. Step 2: Convert to fraction form
    48,289.75/72,433.51 = 12,753.57/x
  3. Step 3: Cross multiply
    48,289.75x = 72,433.51 × 12,753.57
  4. Step 4: Simplify right side
    48,289.75x = 923,785,840.13
  5. Step 5: Solve for x
    x = 923,785,840.13/48,289.75
  6. Step 6: Final answer
    x = 19,130.06

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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.