Home / 52,788.19-72,848.64-28,913.34

Finding the Fourth Proportional to 52,788.19, 72,848.64 and 28,913.34

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Solution

The fourth proportional to 52,788.19, 72,848.64 and 28,913.34 is: 39,900.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,788.19 : 72,848.64 = 28,913.34 : x
  2. Step 2: Convert to fraction form
    52,788.19/72,848.64 = 28,913.34/x
  3. Step 3: Cross multiply
    52,788.19x = 72,848.64 × 28,913.34
  4. Step 4: Simplify right side
    52,788.19x = 2,106,297,496.86
  5. Step 5: Solve for x
    x = 2,106,297,496.86/52,788.19
  6. Step 6: Final answer
    x = 39,900.92

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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.