Home / 66,898.14-92,243.76-42,666.69

Finding the Fourth Proportional to 66,898.14, 92,243.76 and 42,666.69

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Solution

The fourth proportional to 66,898.14, 92,243.76 and 42,666.69 is: 58,831.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,898.14 : 92,243.76 = 42,666.69 : x
  2. Step 2: Convert to fraction form
    66,898.14/92,243.76 = 42,666.69/x
  3. Step 3: Cross multiply
    66,898.14x = 92,243.76 × 42,666.69
  4. Step 4: Simplify right side
    66,898.14x = 3,935,735,912.35
  5. Step 5: Solve for x
    x = 3,935,735,912.35/66,898.14
  6. Step 6: Final answer
    x = 58,831.77

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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.