Home / 66,436.37-99,625.68-19,041.02

Finding the Fourth Proportional to 66,436.37, 99,625.68 and 19,041.02

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Solution

The fourth proportional to 66,436.37, 99,625.68 and 19,041.02 is: 28,553.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,436.37 : 99,625.68 = 19,041.02 : x
  2. Step 2: Convert to fraction form
    66,436.37/99,625.68 = 19,041.02/x
  3. Step 3: Cross multiply
    66,436.37x = 99,625.68 × 19,041.02
  4. Step 4: Simplify right side
    66,436.37x = 1,896,974,565.39
  5. Step 5: Solve for x
    x = 1,896,974,565.39/66,436.37
  6. Step 6: Final answer
    x = 28,553.25

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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.