Home / 66,005.28-91,087.44-37,710.84

Finding the Fourth Proportional to 66,005.28, 91,087.44 and 37,710.84

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Solution

The fourth proportional to 66,005.28, 91,087.44 and 37,710.84 is: 52,041.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,005.28 : 91,087.44 = 37,710.84 : x
  2. Step 2: Convert to fraction form
    66,005.28/91,087.44 = 37,710.84/x
  3. Step 3: Cross multiply
    66,005.28x = 91,087.44 × 37,710.84
  4. Step 4: Simplify right side
    66,005.28x = 3,434,983,875.85
  5. Step 5: Solve for x
    x = 3,434,983,875.85/66,005.28
  6. Step 6: Final answer
    x = 52,041.05

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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.