Home / 85,051.46-127,431.39-60,046.76

Finding the Fourth Proportional to 85,051.46, 127,431.39 and 60,046.76

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Solution

The fourth proportional to 85,051.46, 127,431.39 and 60,046.76 is: 89,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,051.46 : 127,431.39 = 60,046.76 : x
  2. Step 2: Convert to fraction form
    85,051.46/127,431.39 = 60,046.76/x
  3. Step 3: Cross multiply
    85,051.46x = 127,431.39 × 60,046.76
  4. Step 4: Simplify right side
    85,051.46x = 7,651,841,472.98
  5. Step 5: Solve for x
    x = 7,651,841,472.98/85,051.46
  6. Step 6: Final answer
    x = 89,967.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.