Home / 66,074.13-99,283.12-61,754.81

Finding the Fourth Proportional to 66,074.13, 99,283.12 and 61,754.81

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Solution

The fourth proportional to 66,074.13, 99,283.12 and 61,754.81 is: 92,792.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,074.13 : 99,283.12 = 61,754.81 : x
  2. Step 2: Convert to fraction form
    66,074.13/99,283.12 = 61,754.81/x
  3. Step 3: Cross multiply
    66,074.13x = 99,283.12 × 61,754.81
  4. Step 4: Simplify right side
    66,074.13x = 6,131,209,561.00
  5. Step 5: Solve for x
    x = 6,131,209,561.00/66,074.13
  6. Step 6: Final answer
    x = 92,792.89

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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.