Home / 66,303.78-99,458.94-18,925.83

Finding the Fourth Proportional to 66,303.78, 99,458.94 and 18,925.83

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Solution

The fourth proportional to 66,303.78, 99,458.94 and 18,925.83 is: 28,389.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,303.78 : 99,458.94 = 18,925.83 : x
  2. Step 2: Convert to fraction form
    66,303.78/99,458.94 = 18,925.83/x
  3. Step 3: Cross multiply
    66,303.78x = 99,458.94 × 18,925.83
  4. Step 4: Simplify right side
    66,303.78x = 1,882,342,990.42
  5. Step 5: Solve for x
    x = 1,882,342,990.42/66,303.78
  6. Step 6: Final answer
    x = 28,389.68

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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.