Home / 52,555.88-72,528.65-28,684.08

Finding the Fourth Proportional to 52,555.88, 72,528.65 and 28,684.08

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Solution

The fourth proportional to 52,555.88, 72,528.65 and 28,684.08 is: 39,584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,555.88 : 72,528.65 = 28,684.08 : x
  2. Step 2: Convert to fraction form
    52,555.88/72,528.65 = 28,684.08/x
  3. Step 3: Cross multiply
    52,555.88x = 72,528.65 × 28,684.08
  4. Step 4: Simplify right side
    52,555.88x = 2,080,417,455.47
  5. Step 5: Solve for x
    x = 2,080,417,455.47/52,555.88
  6. Step 6: Final answer
    x = 39,584.87

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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.