Home / 52,060.23-78,089.65-12,617.69

Finding the Fourth Proportional to 52,060.23, 78,089.65 and 12,617.69

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Solution

The fourth proportional to 52,060.23, 78,089.65 and 12,617.69 is: 18,926.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,060.23 : 78,089.65 = 12,617.69 : x
  2. Step 2: Convert to fraction form
    52,060.23/78,089.65 = 12,617.69/x
  3. Step 3: Cross multiply
    52,060.23x = 78,089.65 × 12,617.69
  4. Step 4: Simplify right side
    52,060.23x = 985,310,573.92
  5. Step 5: Solve for x
    x = 985,310,573.92/52,060.23
  6. Step 6: Final answer
    x = 18,926.36

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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.