Home / 66,635.02-99,903.30-31,533.58

Finding the Fourth Proportional to 66,635.02, 99,903.30 and 31,533.58

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Solution

The fourth proportional to 66,635.02, 99,903.30 and 31,533.58 is: 47,277.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,635.02 : 99,903.30 = 31,533.58 : x
  2. Step 2: Convert to fraction form
    66,635.02/99,903.30 = 31,533.58/x
  3. Step 3: Cross multiply
    66,635.02x = 99,903.30 × 31,533.58
  4. Step 4: Simplify right side
    66,635.02x = 3,150,308,702.81
  5. Step 5: Solve for x
    x = 3,150,308,702.81/66,635.02
  6. Step 6: Final answer
    x = 47,277.07

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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.