Home / 48,117.21-72,175.88-13,056.87

Finding the Fourth Proportional to 48,117.21, 72,175.88 and 13,056.87

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Solution

The fourth proportional to 48,117.21, 72,175.88 and 13,056.87 is: 19,585.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,117.21 : 72,175.88 = 13,056.87 : x
  2. Step 2: Convert to fraction form
    48,117.21/72,175.88 = 13,056.87/x
  3. Step 3: Cross multiply
    48,117.21x = 72,175.88 × 13,056.87
  4. Step 4: Simplify right side
    48,117.21x = 942,391,017.01
  5. Step 5: Solve for x
    x = 942,391,017.01/48,117.21
  6. Step 6: Final answer
    x = 19,585.32

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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.