Home / 101,447.12-152,184.54-42,268.98

Finding the Fourth Proportional to 101,447.12, 152,184.54 and 42,268.98

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Solution

The fourth proportional to 101,447.12, 152,184.54 and 42,268.98 is: 63,409.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,447.12 : 152,184.54 = 42,268.98 : x
  2. Step 2: Convert to fraction form
    101,447.12/152,184.54 = 42,268.98/x
  3. Step 3: Cross multiply
    101,447.12x = 152,184.54 × 42,268.98
  4. Step 4: Simplify right side
    101,447.12x = 6,432,684,865.39
  5. Step 5: Solve for x
    x = 6,432,684,865.39/101,447.12
  6. Step 6: Final answer
    x = 63,409.24

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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.