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Finding the Fourth Proportional to 74,866.64, 112,322.97 and 44,914.12

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Solution

The fourth proportional to 74,866.64, 112,322.97 and 44,914.12 is: 67,384.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,866.64 : 112,322.97 = 44,914.12 : x
  2. Step 2: Convert to fraction form
    74,866.64/112,322.97 = 44,914.12/x
  3. Step 3: Cross multiply
    74,866.64x = 112,322.97 × 44,914.12
  4. Step 4: Simplify right side
    74,866.64x = 5,044,887,072.53
  5. Step 5: Solve for x
    x = 5,044,887,072.53/74,866.64
  6. Step 6: Final answer
    x = 67,384.98

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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.