Home / 66,421.54-99,650-26,957.13

Finding the Fourth Proportional to 66,421.54, 99,650 and 26,957.13

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Solution

The fourth proportional to 66,421.54, 99,650 and 26,957.13 is: 40,442.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,421.54 : 99,650 = 26,957.13 : x
  2. Step 2: Convert to fraction form
    66,421.54/99,650 = 26,957.13/x
  3. Step 3: Cross multiply
    66,421.54x = 99,650 × 26,957.13
  4. Step 4: Simplify right side
    66,421.54x = 2,686,278,004.50
  5. Step 5: Solve for x
    x = 2,686,278,004.50/66,421.54
  6. Step 6: Final answer
    x = 40,442.87

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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.