Home / 56,548.84-78,022.50-38,623.72

Finding the Fourth Proportional to 56,548.84, 78,022.50 and 38,623.72

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Solution

The fourth proportional to 56,548.84, 78,022.50 and 38,623.72 is: 53,290.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,548.84 : 78,022.50 = 38,623.72 : x
  2. Step 2: Convert to fraction form
    56,548.84/78,022.50 = 38,623.72/x
  3. Step 3: Cross multiply
    56,548.84x = 78,022.50 × 38,623.72
  4. Step 4: Simplify right side
    56,548.84x = 3,013,519,193.70
  5. Step 5: Solve for x
    x = 3,013,519,193.70/56,548.84
  6. Step 6: Final answer
    x = 53,290.56

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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.