Home / 52,647.18-78,970.89-26,325.42

Finding the Fourth Proportional to 52,647.18, 78,970.89 and 26,325.42

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Solution

The fourth proportional to 52,647.18, 78,970.89 and 26,325.42 is: 39,488.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,647.18 : 78,970.89 = 26,325.42 : x
  2. Step 2: Convert to fraction form
    52,647.18/78,970.89 = 26,325.42/x
  3. Step 3: Cross multiply
    52,647.18x = 78,970.89 × 26,325.42
  4. Step 4: Simplify right side
    52,647.18x = 2,078,941,847.02
  5. Step 5: Solve for x
    x = 2,078,941,847.02/52,647.18
  6. Step 6: Final answer
    x = 39,488.19

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1.5x scale

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.