Home / 43,088.81-64,658.50-18,126.94

Finding the Fourth Proportional to 43,088.81, 64,658.50 and 18,126.94

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Solution

The fourth proportional to 43,088.81, 64,658.50 and 18,126.94 is: 27,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,088.81 : 64,658.50 = 18,126.94 : x
  2. Step 2: Convert to fraction form
    43,088.81/64,658.50 = 18,126.94/x
  3. Step 3: Cross multiply
    43,088.81x = 64,658.50 × 18,126.94
  4. Step 4: Simplify right side
    43,088.81x = 1,172,060,766.23
  5. Step 5: Solve for x
    x = 1,172,060,766.23/43,088.81
  6. Step 6: Final answer
    x = 27,201.05

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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.