Home / 66,617.09-91,828.01-45,359.81

Finding the Fourth Proportional to 66,617.09, 91,828.01 and 45,359.81

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Solution

The fourth proportional to 66,617.09, 91,828.01 and 45,359.81 is: 62,526.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,617.09 : 91,828.01 = 45,359.81 : x
  2. Step 2: Convert to fraction form
    66,617.09/91,828.01 = 45,359.81/x
  3. Step 3: Cross multiply
    66,617.09x = 91,828.01 × 45,359.81
  4. Step 4: Simplify right side
    66,617.09x = 4,165,300,740.54
  5. Step 5: Solve for x
    x = 4,165,300,740.54/66,617.09
  6. Step 6: Final answer
    x = 62,526.01

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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.