Home / 66,939.06-92,472.03-53,492.70

Finding the Fourth Proportional to 66,939.06, 92,472.03 and 53,492.70

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Solution

The fourth proportional to 66,939.06, 92,472.03 and 53,492.70 is: 73,896.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,939.06 : 92,472.03 = 53,492.70 : x
  2. Step 2: Convert to fraction form
    66,939.06/92,472.03 = 53,492.70/x
  3. Step 3: Cross multiply
    66,939.06x = 92,472.03 × 53,492.70
  4. Step 4: Simplify right side
    66,939.06x = 4,946,578,559.18
  5. Step 5: Solve for x
    x = 4,946,578,559.18/66,939.06
  6. Step 6: Final answer
    x = 73,896.74

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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.