Home / 52,788.51-72,848.24-28,915.23

Finding the Fourth Proportional to 52,788.51, 72,848.24 and 28,915.23

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Solution

The fourth proportional to 52,788.51, 72,848.24 and 28,915.23 is: 39,903.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,788.51 : 72,848.24 = 28,915.23 : x
  2. Step 2: Convert to fraction form
    52,788.51/72,848.24 = 28,915.23/x
  3. Step 3: Cross multiply
    52,788.51x = 72,848.24 × 28,915.23
  4. Step 4: Simplify right side
    52,788.51x = 2,106,423,614.70
  5. Step 5: Solve for x
    x = 2,106,423,614.70/52,788.51
  6. Step 6: Final answer
    x = 39,903.07

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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.