Home / 66,897.14-92,242.38-42,665.69

Finding the Fourth Proportional to 66,897.14, 92,242.38 and 42,665.69

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Solution

The fourth proportional to 66,897.14, 92,242.38 and 42,665.69 is: 58,830.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,897.14 : 92,242.38 = 42,665.69 : x
  2. Step 2: Convert to fraction form
    66,897.14/92,242.38 = 42,665.69/x
  3. Step 3: Cross multiply
    66,897.14x = 92,242.38 × 42,665.69
  4. Step 4: Simplify right side
    66,897.14x = 3,935,584,789.94
  5. Step 5: Solve for x
    x = 3,935,584,789.94/66,897.14
  6. Step 6: Final answer
    x = 58,830.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.