Home / 54,838.60-75,573.54-39,705.64

Finding the Fourth Proportional to 54,838.60, 75,573.54 and 39,705.64

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Solution

The fourth proportional to 54,838.60, 75,573.54 and 39,705.64 is: 54,718.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,838.60 : 75,573.54 = 39,705.64 : x
  2. Step 2: Convert to fraction form
    54,838.60/75,573.54 = 39,705.64/x
  3. Step 3: Cross multiply
    54,838.60x = 75,573.54 × 39,705.64
  4. Step 4: Simplify right side
    54,838.60x = 3,000,695,772.77
  5. Step 5: Solve for x
    x = 3,000,695,772.77/54,838.60
  6. Step 6: Final answer
    x = 54,718.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.