Home / 66,260.56-91,442.76-37,966.32

Finding the Fourth Proportional to 66,260.56, 91,442.76 and 37,966.32

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Solution

The fourth proportional to 66,260.56, 91,442.76 and 37,966.32 is: 52,395.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,260.56 : 91,442.76 = 37,966.32 : x
  2. Step 2: Convert to fraction form
    66,260.56/91,442.76 = 37,966.32/x
  3. Step 3: Cross multiply
    66,260.56x = 91,442.76 × 37,966.32
  4. Step 4: Simplify right side
    66,260.56x = 3,471,745,087.84
  5. Step 5: Solve for x
    x = 3,471,745,087.84/66,260.56
  6. Step 6: Final answer
    x = 52,395.35

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1.5x scale

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.