Home / 66,270.96-91,350.18-45,013.32

Finding the Fourth Proportional to 66,270.96, 91,350.18 and 45,013.32

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Solution

The fourth proportional to 66,270.96, 91,350.18 and 45,013.32 is: 62,047.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,270.96 : 91,350.18 = 45,013.32 : x
  2. Step 2: Convert to fraction form
    66,270.96/91,350.18 = 45,013.32/x
  3. Step 3: Cross multiply
    66,270.96x = 91,350.18 × 45,013.32
  4. Step 4: Simplify right side
    66,270.96x = 4,111,974,884.40
  5. Step 5: Solve for x
    x = 4,111,974,884.40/66,270.96
  6. Step 6: Final answer
    x = 62,047.91

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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.