Home / 66,898.06-92,318.49-38,603.14

Finding the Fourth Proportional to 66,898.06, 92,318.49 and 38,603.14

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Solution

The fourth proportional to 66,898.06, 92,318.49 and 38,603.14 is: 53,271.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,898.06 : 92,318.49 = 38,603.14 : x
  2. Step 2: Convert to fraction form
    66,898.06/92,318.49 = 38,603.14/x
  3. Step 3: Cross multiply
    66,898.06x = 92,318.49 × 38,603.14
  4. Step 4: Simplify right side
    66,898.06x = 3,563,783,594.06
  5. Step 5: Solve for x
    x = 3,563,783,594.06/66,898.06
  6. Step 6: Final answer
    x = 53,271.85

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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.