Home / 66,268.40-91,435.38-48,373.16

Finding the Fourth Proportional to 66,268.40, 91,435.38 and 48,373.16

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Solution

The fourth proportional to 66,268.40, 91,435.38 and 48,373.16 is: 66,744.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,268.40 : 91,435.38 = 48,373.16 : x
  2. Step 2: Convert to fraction form
    66,268.40/91,435.38 = 48,373.16/x
  3. Step 3: Cross multiply
    66,268.40x = 91,435.38 × 48,373.16
  4. Step 4: Simplify right side
    66,268.40x = 4,423,018,266.40
  5. Step 5: Solve for x
    x = 4,423,018,266.40/66,268.40
  6. Step 6: Final answer
    x = 66,744.00

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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.