Home / 66,153.21-91,293.17-37,868.01

Finding the Fourth Proportional to 66,153.21, 91,293.17 and 37,868.01

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Solution

The fourth proportional to 66,153.21, 91,293.17 and 37,868.01 is: 52,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,153.21 : 91,293.17 = 37,868.01 : x
  2. Step 2: Convert to fraction form
    66,153.21/91,293.17 = 37,868.01/x
  3. Step 3: Cross multiply
    66,153.21x = 91,293.17 × 37,868.01
  4. Step 4: Simplify right side
    66,153.21x = 3,457,090,674.49
  5. Step 5: Solve for x
    x = 3,457,090,674.49/66,153.21
  6. Step 6: Final answer
    x = 52,258.85

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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.