Home / 52,526.92-78,740.50-20,956.36

Finding the Fourth Proportional to 52,526.92, 78,740.50 and 20,956.36

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Solution

The fourth proportional to 52,526.92, 78,740.50 and 20,956.36 is: 31,414.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,526.92 : 78,740.50 = 20,956.36 : x
  2. Step 2: Convert to fraction form
    52,526.92/78,740.50 = 20,956.36/x
  3. Step 3: Cross multiply
    52,526.92x = 78,740.50 × 20,956.36
  4. Step 4: Simplify right side
    52,526.92x = 1,650,114,264.58
  5. Step 5: Solve for x
    x = 1,650,114,264.58/52,526.92
  6. Step 6: Final answer
    x = 31,414.64

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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.