Home / 66,764.13-92,126.33-53,186.76

Finding the Fourth Proportional to 66,764.13, 92,126.33 and 53,186.76

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Solution

The fourth proportional to 66,764.13, 92,126.33 and 53,186.76 is: 73,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,764.13 : 92,126.33 = 53,186.76 : x
  2. Step 2: Convert to fraction form
    66,764.13/92,126.33 = 53,186.76/x
  3. Step 3: Cross multiply
    66,764.13x = 92,126.33 × 53,186.76
  4. Step 4: Simplify right side
    66,764.13x = 4,899,900,936.91
  5. Step 5: Solve for x
    x = 4,899,900,936.91/66,764.13
  6. Step 6: Final answer
    x = 73,391.22

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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.