Home / 52,064.10-78,095.46-12,621.56

Finding the Fourth Proportional to 52,064.10, 78,095.46 and 12,621.56

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Solution

The fourth proportional to 52,064.10, 78,095.46 and 12,621.56 is: 18,932.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,064.10 : 78,095.46 = 12,621.56 : x
  2. Step 2: Convert to fraction form
    52,064.10/78,095.46 = 12,621.56/x
  3. Step 3: Cross multiply
    52,064.10x = 78,095.46 × 12,621.56
  4. Step 4: Simplify right side
    52,064.10x = 985,686,534.12
  5. Step 5: Solve for x
    x = 985,686,534.12/52,064.10
  6. Step 6: Final answer
    x = 18,932.17

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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.