Home / 66,153.60-99,178.56-45,313.92

Finding the Fourth Proportional to 66,153.60, 99,178.56 and 45,313.92

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Solution

The fourth proportional to 66,153.60, 99,178.56 and 45,313.92 is: 67,935.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,153.60 : 99,178.56 = 45,313.92 : x
  2. Step 2: Convert to fraction form
    66,153.60/99,178.56 = 45,313.92/x
  3. Step 3: Cross multiply
    66,153.60x = 99,178.56 × 45,313.92
  4. Step 4: Simplify right side
    66,153.60x = 4,494,169,333.56
  5. Step 5: Solve for x
    x = 4,494,169,333.56/66,153.60
  6. Step 6: Final answer
    x = 67,935.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.